初中化學(xué)易錯(cuò)知識(shí)匯總（一）流年似水 <font color="#000000" face="宋體" size="3"> </font><p align="left" style="background: white; margin: 0cm 6.7pt 0pt; text-align: left; line-height: 24pt; mso-pagination: widow-orphan;"><b><span style='color: rgb(153, 0, 0); letter-spacing: 0.85pt; font-family: "微軟雅黑","sans-serif"; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;'>一、常見物質(zhì)的俗稱、名稱、化學(xué)式</span></b></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="background: white; margin: 0cm 6.7pt 0pt; text-align: left; line-height: 24pt; mso-pagination: widow-orphan;"><span lang="EN-US" style='color: rgb(51, 51, 51); letter-spacing: 1.25pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'> <span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">干冰</span><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'> </span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">二氧化碳</span><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'> CO<sub><font size="1">2</font></sub> </span></span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">沼氣</span><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'> </span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">天然氣</span><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'> </span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">甲烷</span><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'> CH<sub><font size="1">4</font></sub></span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">鹽酸</span><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'> </span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">氫氯酸</span><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'> HCl </span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">大理石</span><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'> </span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">石灰石</span><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'> </span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">碳酸鈣</span><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'> CaCO<sub><font size="1">3</font></sub></span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">純堿</span><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'> </span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">蘇打</span><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'> </span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">碳酸鈉</span><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'> Na<sub><font size="1">2</font></sub>CO<sub><font size="1">3</font></sub> </span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">小蘇打</span><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'> </span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">碳酸氫鈉</span><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'> NaHCO<sub><font size="1">3</font></sub></span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">食鹽</span><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'> </span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">氯化鈉</span><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'> NaCl </span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">生石灰</span><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'> </span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">氧化鈣</span><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'> CaO</span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">澄清石灰水</span><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'> </span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">氫氧化鈣溶液</span><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'> Ca(OH)<sub><font size="1">2</font></sub> </span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">熟石灰</span><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'> </span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">消石灰</span><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'> </span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">氫氧化鈣</span><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'> Ca(OH)<sub><font size="1">2</font></sub></span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">火堿</span><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'> </span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">燒堿</span><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'> </span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">苛性鈉</span><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'> </span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">氫氧化鈉</span><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'> NaOH </span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">水銀</span><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'> </span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">汞</span><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'> Hg</span></p><font color="#000000" face="宋體" size="3"> </font> <font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><b><span style="color: rgb(153, 0, 0); letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">二、酸、堿、鹽易漏化學(xué)性質(zhì)</span></b></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span lang="EN-US" style="letter-spacing: 0.85pt; font-family: 宋體; font-size: 12pt; mso-bidi-font-family: 宋體; mso-font-kerning: 0pt;"><font color="#000000"> <span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'>1</span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">、二氧化碳、二氧化硫、三氧化硫和可溶性堿反應(yīng)。</span><span lang="EN-US" style='letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'><font color="#000000">------</font></span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">為什么可溶性堿易變質(zhì)的原因</span></font></span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'>2</span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">、二氧化碳、二氧化硫、二氧化硫和水反應(yīng)生成酸。</span><span lang="EN-US" style='letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'><font color="#000000">------</font></span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">燒煤為什么造成降酸雨的原因</span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'>3</span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">、干冰不是冰，</span><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'> </span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">純堿不是堿（是鹽，但微弱的堿性</span><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'>-------</span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">否定只有堿液才顯堿性）</span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'>4</span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">、溶液導(dǎo)電的原因是溶液中存在自由移動(dòng)的離子（酸堿鹽的水溶液能導(dǎo)電</span><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'>------</span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">判斷方法</span></p><font color="#000000" face="宋體" size="3"> </font> <font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><b><span style="color: rgb(153, 0, 0); letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">三、推斷題中的一些特別知識(shí)（方法：找出特別的地方，看其左右的內(nèi)容）</span></b></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span lang="EN-US" style="letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-bidi-font-family: 宋體; mso-font-kerning: 0pt;"><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'>1</span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">、黑色固體有：氧化銅、炭粉、鐵粉、二氧化錳、四氧化三鐵</span></span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'>2</span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">、淺黃色粉末是硫；紅色（或紫紅色）固體是金屬銅</span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'>3</span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">、暗紫色固體是高錳酸鉀</span><span style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'> </span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">，紅色固體是紅磷或氧化鐵</span><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'> </span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'>4</span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">、能使澄清石水變渾濁的氣體是二氧化碳</span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'>5</span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">、能使帶火星木條復(fù)燃的氣體是氧氣</span><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'> </span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'>6</span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">、既有可燃性，又有還原性的物質(zhì)有：氫氣、一氧化碳、木炭</span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'>7</span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">、相對(duì)分子質(zhì)量最小的氧化物是水</span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'>8</span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">、紅褐色沉淀肯定是：</span><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'>Fe(OH)<sub><font size="1">3</font></sub> </span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'>9</span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">、藍(lán)色沉淀可能是</span><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'>Cu(OH)<sub><font size="1">2</font></sub></span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">或</span><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'>CuCO<sub><font size="1">3</font></sub></span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'>10</span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">、<u>既不</u>溶于水，<u>也不</u>溶于硝酸的白色沉淀有</span><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'>AgCl</span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">或</span><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'>BaSO<sub><font size="1">4</font></sub></span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'>11</span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">、白色沉淀可溶于酸，但有氣泡放出的可能是不溶性碳酸鹽（</span><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'>___CO<sub><font size="1">3</font></sub></span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">）</span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">白色沉淀可溶于酸，但沒(méi)有氣泡放出的可能是不溶性堿（</span><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'>___OH</span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">）</span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'>12</span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">、固體和酸混合有氣泡放出的物質(zhì)可能是：碳酸鹽</span><span lang="EN-US" style='letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'><font color="#000000">+</font></span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">酸</span><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'> </span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">或</span><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'> </span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">活潑金屬</span><span lang="EN-US" style='letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'><font color="#000000">+</font></span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">酸</span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'>13</span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">、產(chǎn)物有三種的化學(xué)變化有兩種：</span><span style="letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-bidi-font-family: 宋體; mso-font-kerning: 0pt;"><font color="#000000">①</font></span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">高錳酸鉀加熱分解</span><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'> </span><span style="letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-bidi-font-family: 宋體; mso-font-kerning: 0pt;"><font color="#000000">②</font></span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">碳酸鹽和酸反應(yīng)</span><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'> </span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'>14</span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">、燃燒同時(shí)有兩種產(chǎn)物生成的物質(zhì)是<u>甲烷</u>燃燒。</span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'>15</span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">、堿和鹽中，除三價(jià)鐵（黃色）、二價(jià)鐵（淺綠色）、二價(jià)銅（藍(lán)色）外，其余物質(zhì)：固體是白色，溶液是無(wú)色，</span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'>16</span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">、金屬氧化物的性質(zhì)主要有：</span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span style="letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-bidi-font-family: 宋體; mso-font-kerning: 0pt;"><font color="#000000">①</font></span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">金屬氧化物和酸反應(yīng)；</span><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'> </span></p><font color="#000000" face="宋體" size="3"> </font><span style="letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-bidi-font-family: 宋體; mso-font-kerning: 0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;"><font color="#000000">②</font></span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">還原劑和金屬氧化物反應(yīng)。</span> <font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><b><span style="color: rgb(153, 0, 0); letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">四、一些重要實(shí)驗(yàn)的注意事項(xiàng)</span></b></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span lang="EN-US" style="letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-bidi-font-family: 宋體; mso-font-kerning: 0pt;"><font color="#000000"> <span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'>1</span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">、空氣中氧氣的測(cè)定：</span></font></span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-bidi-font-family: 宋體; mso-font-kerning: 0pt;">①</span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">選用試劑燃燒后的產(chǎn)物必須是固態(tài)，能在空氣中燃燒</span><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'>-------</span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">故選用紅磷</span><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'> </span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-bidi-font-family: 宋體; mso-font-kerning: 0pt;">②</span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">最后所測(cè)結(jié)果偏小的原因有三：</span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-bidi-font-family: 宋體; mso-font-kerning: 0pt;">Ⅰ</span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">、紅磷不足，部分氧氣沒(méi)反應(yīng)</span><span style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'> </span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">；</span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span style="letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-bidi-font-family: 宋體; mso-font-kerning: 0pt;"><font color="#000000">Ⅱ</font></span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">、裝置氣密性不好；</span><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'> </span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span style="letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-bidi-font-family: 宋體; mso-font-kerning: 0pt;"><font color="#000000">Ⅲ</font></span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">、最后所剩的氣體沒(méi)有完全冷卻至室溫</span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'>2</span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">、氧氣的實(shí)驗(yàn)室制法</span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-bidi-font-family: 宋體; mso-font-kerning: 0pt;">①</span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">導(dǎo)氣管伸入試管少許；</span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span style="letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-bidi-font-family: 宋體; mso-font-kerning: 0pt;"><font color="#000000">②</font></span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">應(yīng)根據(jù)酒精燈火焰來(lái)調(diào)節(jié)試管的高度；</span><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'> </span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span style="letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-bidi-font-family: 宋體; mso-font-kerning: 0pt;"><font color="#000000">③</font></span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">試管口應(yīng)略向下傾斜；</span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span style="letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-bidi-font-family: 宋體; mso-font-kerning: 0pt;"><font color="#000000">④</font></span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">高錳酸鉀制氧時(shí)，應(yīng)在試管口放一小團(tuán)棉花；</span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span style="letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-bidi-font-family: 宋體; mso-font-kerning: 0pt;"><font color="#000000">⑤</font></span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">氯酸鉀制氧氣時(shí)，不能混有可燃物，否則會(huì)發(fā)生爆炸；</span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span style="letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-bidi-font-family: 宋體; mso-font-kerning: 0pt;"><font color="#000000">⑥</font></span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">排水集氣法時(shí)，應(yīng)待氣泡均勻冐出時(shí)才收集；</span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span style="letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-bidi-font-family: 宋體; mso-font-kerning: 0pt;"><font color="#000000">⑦</font></span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">向上排空氣法收集時(shí)，導(dǎo)氣管應(yīng)伸到集氣瓶的底部；</span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span style="letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-bidi-font-family: 宋體; mso-font-kerning: 0pt;"><font color="#000000">⑧</font></span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">排水法收集氧氣結(jié)束時(shí)，最后先把導(dǎo)氣管從水槽移出，后熄滅酒精燈。</span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'>3</span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">、二氧化碳的實(shí)驗(yàn)室制取</span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-bidi-font-family: 宋體; mso-font-kerning: 0pt;">①</span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">所選試劑是大理石和稀鹽酸，不能說(shuō)是碳酸鈣和稀鹽酸，酸不選用稀硫酸和濃鹽酸</span><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'>-----</span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">想想為什么</span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-bidi-font-family: 宋體; mso-font-kerning: 0pt;">②</span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">長(zhǎng)頸漏斗的使用：下端口應(yīng)伸到液面以下</span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span style="letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-bidi-font-family: 宋體; mso-font-kerning: 0pt;"><font color="#000000">③</font></span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">不能選用排水法來(lái)收集二氧化碳</span><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'> </span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span style="letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-bidi-font-family: 宋體; mso-font-kerning: 0pt;"><font color="#000000">④</font></span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">簡(jiǎn)易裝置的優(yōu)點(diǎn)是：裝置簡(jiǎn)單；節(jié)約藥品；操作簡(jiǎn)便</span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span style="letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-bidi-font-family: 宋體; mso-font-kerning: 0pt;"><font color="#000000">⑤</font></span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">帶長(zhǎng)頸漏斗的裝置的優(yōu)點(diǎn)是：隨時(shí)增添液體</span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'>4</span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">、一氧化碳還原氧化鐵實(shí)驗(yàn)</span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-bidi-font-family: 宋體; mso-font-kerning: 0pt;">①</span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">實(shí)驗(yàn)前，一氧化碳和要先檢驗(yàn)純度：可（可燃性氣體）</span><span lang="EN-US" style='letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'><font color="#000000">+</font></span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">助（助燃性氣體）點(diǎn)燃可能會(huì)發(fā)生爆炸</span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span style="letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-bidi-font-family: 宋體; mso-font-kerning: 0pt;"><font color="#000000">②</font></span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">加熱前都要選通一會(huì)兒一氧化碳</span><span lang="EN-US" style='letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'><font color="#000000">------</font></span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">趕出試管內(nèi)的空氣</span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span style="letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-bidi-font-family: 宋體; mso-font-kerning: 0pt;"><font color="#000000">③</font></span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">實(shí)驗(yàn)結(jié)束時(shí)，先停止加熱，斷續(xù)通入一氧化碳至冷卻</span><span lang="EN-US" style='letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'><font color="#000000">-----</font></span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">為什么？</span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span style="letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-bidi-font-family: 宋體; mso-font-kerning: 0pt;"><font color="#000000">④</font></span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">尾氣處理裝置</span><span lang="EN-US" style='letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'><font color="#000000">----</font></span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">為什么？一氧化碳有毒，要防止污染環(huán)境，防止中毒，處理方法</span><span lang="EN-US" style='letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'><font color="#000000">----</font></span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">燃燒或收集</span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'>5</span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">、電解水實(shí)驗(yàn)：</span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span style="letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-bidi-font-family: 宋體; mso-font-kerning: 0pt;"><font color="#000000">①</font></span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">通入直流電</span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span style="letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-bidi-font-family: 宋體; mso-font-kerning: 0pt;"><font color="#000000">②</font></span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">生成物的體積比為氫氣：氧氣</span><span lang="EN-US" style='letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'><font color="#000000">==2</font></span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">：</span><span lang="EN-US" style='letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'><font color="#000000">1 </font></span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span style="letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-bidi-font-family: 宋體; mso-font-kerning: 0pt;"><font color="#000000">③</font></span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">生成物的質(zhì)量比為氫氣：氧氣</span><span lang="EN-US" style='letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'><font color="#000000">==1</font></span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">：</span><span lang="EN-US" style='letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'><font color="#000000">8 </font></span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span style="letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-bidi-font-family: 宋體; mso-font-kerning: 0pt;"><font color="#000000">④</font></span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">電解水實(shí)驗(yàn)說(shuō)明水是由氫，氧兩種元素組成的</span><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'> </span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'>6</span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">、白磷的保存：浸在水中</span><span lang="EN-US" style='letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'><font color="#000000">-----</font></span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">為什么？著火點(diǎn)低（</span><font color="#000000"><span lang="EN-US" style='letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'>40</span><span style="letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-bidi-font-family: 宋體; mso-font-kerning: 0pt;">℃</span></font><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">），易在空氣中被氧化</span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'>7</span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">、稱量氫氧化鈉的質(zhì)量：放到小燒杯中再稱量</span><span lang="EN-US" style='letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'><font color="#000000">-----</font></span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">為什么？有強(qiáng)烈的腐蝕性，易潮解</span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span lang="EN-US" style='color: black; letter-spacing: 0.85pt; font-family: "Helvetica","sans-serif"; font-size: 9pt; mso-font-kerning: 0pt; mso-fareast-font-family: 宋體;'>8</span><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">、濃硫酸的?。喊褲饬蛩嶙⑷胨?，要不斷地?cái)嚢?lt;/span></p><h1 align="left" style="margin: 0cm 6.7pt 0pt; text-align: left; line-height: 21pt; mso-pagination: widow-orphan;"><span style="color: black; letter-spacing: 0.85pt; font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica; mso-bidi-font-family: Helvetica; mso-font-kerning: 0pt;">未完待續(xù)……</span></h1><font color="#000000" face="宋體" size="3"> </font> <font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 0cm 0pt; text-align: left; text-indent: 20.25pt; tab-stops: 114.0pt center 207.65pt;"><b style="mso-bidi-font-weight: normal;"><span style="font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Calibri; mso-hansi-font-family: Calibri;"><font color="#000000">溫馨提示：因?yàn)橐咔榈挠绊?，孩子八年?jí)網(wǎng)課學(xué)習(xí)效果不好，九年級(jí)學(xué)習(xí)吃力、成績(jī)下降、聽不懂、學(xué)不會(huì)、跟不上……怎么辦？</font></span></b></p><font color="#000000" face="宋體" size="3"> </font><p style="margin: 0cm 0cm 0pt;"><font color="#000000"><span lang="EN-US" style="font-size: 9pt;"><span style="mso-spacerun: yes;"><font face="Calibri"> </font></span></span><b style="mso-bidi-font-weight: normal;"><span style="font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Calibri; mso-hansi-font-family: Calibri;">九年級(jí)全日制中考班，從基礎(chǔ)抓起，由淺入深，循序漸進(jìn)，哪部分弱強(qiáng)化補(bǔ)哪里，打牢基礎(chǔ)，逐步提升！</span></b></font></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 0cm 0pt; text-align: left; tab-stops: 114.0pt center 207.65pt;"><font color="#000000"><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="font-size: 9pt;"><font face="Calibri"><span style="mso-spacerun: yes;"> </span><span style="mso-spacerun: yes;"> </span></font></span></b><b style="mso-bidi-font-weight: normal;"><span style="font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Calibri; mso-hansi-font-family: Calibri;">尚榜教育，是一家專業(yè)從事中、高考輔導(dǎo)培訓(xùn)的教育機(jī)構(gòu)。</span></b><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="font-size: 9pt;"><font face="Calibri">2021</font></span></b><b style="mso-bidi-font-weight: normal;"><span style="font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Calibri; mso-hansi-font-family: Calibri;">年中考全日制班已經(jīng)開始，設(shè)置精英班、培優(yōu)班和提升班。通過(guò)對(duì)孩子學(xué)情的科學(xué)分析，全面剖析學(xué)生優(yōu)勢(shì)學(xué)科和弱勢(shì)學(xué)科，現(xiàn)實(shí)優(yōu)勢(shì)互補(bǔ)，建立上進(jìn)型學(xué)習(xí)模式，找出學(xué)生學(xué)習(xí)短板，傳授高效學(xué)習(xí)方法，查漏補(bǔ)去，個(gè)性化教學(xué)，全面提升，決勝中考。</span></b></font></p><font color="#000000" face="宋體" size="3"> </font> <font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 0cm 0pt; text-align: left; tab-stops: 114.0pt center 207.65pt;"><b style="mso-bidi-font-weight: normal;"><span style="font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Calibri; mso-hansi-font-family: Calibri;"><font color="#000000">教學(xué)特點(diǎn)：</font></span></b></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 0cm 0pt; text-align: left; tab-stops: 114.0pt center 207.65pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="font-size: 9pt;"><font face="Calibri"><span style="mso-spacerun: yes;"><font color="#000000"> </font></span><font color="#000000">1</font></font></span></b><font color="#000000"><span style="font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Calibri; mso-hansi-font-family: Calibri;">．采用“名師授課</span><span lang="EN-US" style="font-size: 9pt;"><font face="Calibri">+</font></span><span style="font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Calibri; mso-hansi-font-family: Calibri;">個(gè)性化輔導(dǎo)”的教學(xué)模式，名師由淺入深，逐條講解，學(xué)生容易吸收；助教老師全程陪讀，多對(duì)一輔導(dǎo)管理；</span></font></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 0cm 0pt; text-align: left; text-indent: 18pt; tab-stops: 114.0pt center 207.65pt; mso-char-indent-count: 2.0;"><font color="#000000"><span lang="EN-US" style="font-size: 9pt;"><font face="Calibri">2.</font></span><span style="font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Calibri; mso-hansi-font-family: Calibri;">把握學(xué)生學(xué)習(xí)弱點(diǎn)，針對(duì)學(xué)生學(xué)習(xí)習(xí)慣和學(xué)習(xí)方法，進(jìn)行精確化同步輔導(dǎo)；</span></font></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 0cm 0pt; text-align: left; text-indent: 18pt; tab-stops: 114.0pt center 207.65pt; mso-char-indent-count: 2.0;"><font color="#000000"><span lang="EN-US" style="font-size: 9pt;"><font face="Calibri">3.</font></span><span style="font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Calibri; mso-hansi-font-family: Calibri;">實(shí)行“日清</span><span lang="EN-US" style="font-size: 9pt;"><font face="Calibri">+</font></span><span style="font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Calibri; mso-hansi-font-family: Calibri;">周測(cè)</span><span lang="EN-US" style="font-size: 9pt;"><font face="Calibri">+</font></span><span style="font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Calibri; mso-hansi-font-family: Calibri;">月考”的形式，及時(shí)跟蹤學(xué)生的學(xué)習(xí)效果；</span><span lang="EN-US" style="font-size: 9pt;"><span style="mso-spacerun: yes;"><font face="Calibri"> </font></span></span></font></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 0cm 0pt; text-align: left; tab-stops: 114.0pt center 207.65pt;"><b style="mso-bidi-font-weight: normal;"><span style="font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Calibri; mso-hansi-font-family: Calibri;"><font color="#000000">日常管理：</font></span></b></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 0cm 0pt; text-align: left; text-indent: 20.25pt; tab-stops: 114.0pt center 207.65pt;"><font color="#000000"><font face="Calibri"><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="font-size: 9pt;">1</span></b><span lang="EN-US" style="font-size: 9pt;">.</span></font><span style="font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Calibri; mso-hansi-font-family: Calibri;">實(shí)行全封閉管理模式，小班授課，保障學(xué)習(xí)效果；</span></font></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 0cm 0pt; text-align: left; text-indent: 20.25pt; tab-stops: 114.0pt center 207.65pt;"><font color="#000000"><span lang="EN-US" style="font-size: 9pt;"><font face="Calibri">2.</font></span><span style="font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Calibri; mso-hansi-font-family: Calibri;">班主任</span><span lang="EN-US" style="font-size: 9pt;"><font face="Calibri">+</font></span><span style="font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Calibri; mso-hansi-font-family: Calibri;">助教老師全程跟蹤學(xué)習(xí)過(guò)程；</span></font></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 0cm 0pt; text-align: left; text-indent: 20.25pt; tab-stops: 114.0pt center 207.65pt;"><font color="#000000"><span lang="EN-US" style="font-size: 9pt;"><font face="Calibri">3.</font></span><span style="font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Calibri; mso-hansi-font-family: Calibri;">必須遵守《班級(jí)管理規(guī)定》和《住宿管理規(guī)定》；</span></font></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="margin: 0cm 0cm 0pt; text-align: left; text-indent: 20.25pt; tab-stops: 114.0pt center 207.65pt;"><font color="#000000"><span lang="EN-US" style="font-size: 9pt;"><font face="Calibri">4.</font></span><span style="font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Calibri; mso-hansi-font-family: Calibri;">每生一個(gè)學(xué)習(xí)交流群，老師反饋學(xué)生學(xué)習(xí)情況，家長(zhǎng)隨時(shí)了解互動(dòng)，齊心協(xié)力共助孩子中考圓夢(mèng)。</span></font></p><font color="#000000" face="宋體" size="3"> </font><b style="mso-bidi-font-weight: normal;"><span style='font-family: 宋體; font-size: 9pt; mso-ascii-font-family: Calibri; mso-hansi-font-family: Calibri; mso-bidi-font-family: "Times New Roman"; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;'><font color="#000000">早開始，早提升！中考全日制提升學(xué)習(xí)，讓您的孩子奮力一搏！</font></span></b> <font color="#000000" face="宋體" size="3"> </font><p align="left" style="background: white; margin: 0cm 0cm 0pt; text-align: left; mso-pagination: widow-orphan; mso-outline-level: 6;"><b><span style='color: rgb(39, 45, 52); font-family: "微軟雅黑","sans-serif"; font-size: 10pt; mso-bidi-font-size: 11.0pt; mso-bidi-font-family: 宋體; mso-font-kerning: 0pt;'>王老師 </span></b></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="background: white; margin: 0cm 0cm 0pt; text-align: left; mso-pagination: widow-orphan; mso-outline-level: 6;"><span lang="EN-US" style='color: rgb(39, 45, 52); font-family: "微軟雅黑","sans-serif"; font-size: 10pt; mso-bidi-font-family: 宋體; mso-font-kerning: 0pt;'> </span><span style='color: rgb(39, 45, 52); font-family: "微軟雅黑","sans-serif"; font-size: 10pt; mso-bidi-font-family: 宋體; mso-font-kerning: 0pt;'>中學(xué)語(yǔ)文老師，資深教育咨詢師，主要從事小、初、高孩子的學(xué)業(yè)規(guī)劃，專業(yè)的學(xué)情診斷，幫助孩子掌握正確的學(xué)習(xí)方法，激發(fā)孩子的學(xué)習(xí)潛能，為孩子制定個(gè)性化的輔導(dǎo)計(jì)劃與方案；為家長(zhǎng)提供家庭教育指導(dǎo)服務(wù)。</span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="background: white; margin: 0cm 0cm 0pt; text-align: left; mso-pagination: widow-orphan; mso-outline-level: 6;"><span lang="EN-US" style='color: rgb(39, 45, 52); font-family: "微軟雅黑","sans-serif"; font-size: 10pt; mso-bidi-font-family: 宋體; mso-font-kerning: 0pt;'> </span><span style='color: rgb(39, 45, 52); font-family: "微軟雅黑","sans-serif"; font-size: 10pt; mso-bidi-font-family: 宋體; mso-font-kerning: 0pt;'>提前預(yù)約，可為孩子提供免費(fèi)的學(xué)情分析；預(yù)約電話：13693875016 <span lang="EN-US">18837756919</span>（微信同號(hào)）</span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="background: white; margin: 0cm 0cm 0pt; text-align: left; mso-pagination: widow-orphan; mso-outline-level: 6;"><span lang="EN-US" style='color: rgb(39, 45, 52); font-family: "微軟雅黑","sans-serif"; font-size: 10pt; mso-bidi-font-family: 宋體; mso-font-kerning: 0pt;'> </span></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="background: white; margin: 0cm 0cm 0pt; text-align: left; mso-pagination: widow-orphan; mso-outline-level: 6;"><b><span style='color: rgb(39, 45, 52); font-family: "微軟雅黑","sans-serif"; font-size: 10pt; mso-bidi-font-size: 11.0pt; mso-bidi-font-family: 宋體; mso-font-kerning: 0pt;'>輔導(dǎo)班項(xiàng)目：</span></b></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="background: white; margin: 0cm 0cm 0pt; text-align: left; mso-pagination: widow-orphan; mso-outline-level: 6;"><b><span lang="EN-US" style='color: rgb(39, 45, 52); font-family: "微軟雅黑","sans-serif"; font-size: 10pt; mso-bidi-font-size: 11.0pt; mso-bidi-font-family: 宋體; mso-font-kerning: 0pt;'> 1.</span></b><b><span style='color: rgb(39, 45, 52); font-family: "微軟雅黑","sans-serif"; font-size: 10pt; mso-bidi-font-size: 11.0pt; mso-bidi-font-family: 宋體; mso-font-kerning: 0pt;'>小學(xué)、初中、高中同步輔導(dǎo)；</span></b></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="background: white; margin: 0cm 0cm 0pt; text-align: left; mso-pagination: widow-orphan; mso-outline-level: 6;"><b><span lang="EN-US" style='color: rgb(39, 45, 52); font-family: "微軟雅黑","sans-serif"; font-size: 10pt; mso-bidi-font-size: 11.0pt; mso-bidi-font-family: 宋體; mso-font-kerning: 0pt;'> 2.</span></b><b><span style='color: rgb(39, 45, 52); font-family: "微軟雅黑","sans-serif"; font-size: 10pt; mso-bidi-font-size: 11.0pt; mso-bidi-font-family: 宋體; mso-font-kerning: 0pt;'>小初高一對(duì)一個(gè)性化輔導(dǎo)；</span></b></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="background: white; margin: 0cm 0cm 0pt; text-align: left; mso-pagination: widow-orphan; mso-outline-level: 6;"><b><span lang="EN-US" style='color: rgb(39, 45, 52); font-family: "微軟雅黑","sans-serif"; font-size: 10pt; mso-bidi-font-size: 11.0pt; mso-bidi-font-family: 宋體; mso-font-kerning: 0pt;'> 3.</span></b><b><span style='color: rgb(39, 45, 52); font-family: "微軟雅黑","sans-serif"; font-size: 10pt; mso-bidi-font-size: 11.0pt; mso-bidi-font-family: 宋體; mso-font-kerning: 0pt;'>中考全日制精英班、提高班、沖刺班；</span></b></p><font color="#000000" face="宋體" size="3"> </font><p align="left" style="background: white; margin: 0cm 0cm 0pt; text-align: left; mso-pagination: widow-orphan; mso-outline-level: 6;"><b><span lang="EN-US" style='color: rgb(39, 45, 52); font-family: "微軟雅黑","sans-serif"; font-size: 10pt; mso-bidi-font-size: 11.0pt; mso-bidi-font-family: 宋體; mso-font-kerning: 0pt;'> 4.</span></b><b><span style='color: rgb(39, 45, 52); font-family: "微軟雅黑","sans-serif"; font-size: 10pt; mso-bidi-font-size: 11.0pt; mso-bidi-font-family: 宋體; mso-font-kerning: 0pt;'>高考全日制班；</span></b></p><font color="#000000" face="宋體" size="3"> </font> 學(xué)習(xí)氧氣輔導(dǎo)中考一氧化碳全日制試管孩子二氧化碳固體