中学生网络课堂本课配套习题挑战模式1/5
单选题
难度系数：
1.红色花瓣遇到新制氯水，颜色变化叙述正确的是
| A: 褪色 |
| B: 不变色 |
| C: 颜色加深 |
| D: 变蓝色 |
一次做对，真牛！
+5奖励规则>
- 提示1：57qi6Imy6Iqx55Oj5bm25rKh5pyJ5oyH5piO5a6D5piv6YW456Kx5oyH56S65YmC77yM5omA5Lul55u05o6l6ICD6JmR5qyh5rCv6YW455qE5ryC55m95L2c55So44CC
- 答案：QQ==
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本课配套习题挑战模式2/5
单选题
难度系数：
2.关于氯水的叙述，错误的是
| A: 新制的氯水中含有Cl2、H2O和HClO分子 |
| B: 新制的氯水可使蓝色石蕊试纸先变红后褪色 |
| C: 光照氯水有气泡逸出，该气体是Cl2 |
| D: 新制氯水放置数天后颜色变浅 |
一次做对，真牛！
+5奖励规则>
- 提示1：5YWJ54Wn5ZCO77yM5qyh5rCv6YW45YiG6Kej5Li6SENs5LiO5rCn5rCU44CC
- 提示2：5YiG6Kej55qESENs5rq26Kej5oCn5b6I5aSn55u05o6l5rq25LqO5rC044CC5qyh5rCv6YW45YiG6Kej5Lya5a+86Ie05rCv5rCU57un57ut5LiO5rC06L+b6KGM5Y+N5bqU44CC
- 答案：Qw==
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
本课配套习题挑战模式3/5
单选题
难度系数：
3.下列实验现象，与新制氯水中的某些成分（括号内物质）没有关系的
| A: 将NaHCO3固体加入新制氯水，有无色气泡(Cl2) |
| B: 使红色布条褪色(HClO) |
| C: 向FeCl2溶液中滴加氯水，再滴加KSCN溶液，发现呈血红色(Cl2) |
| D: 滴加AgNO3溶液生成白色沉淀(Cl-) |
一次做对，真牛！
+5奖励规则>
- 提示1：5rCv5rCU5YW35pyJ5rCn5YyW5oCn77yM5Y+v5Lul5bCG5LqM5Lu35Lqa6ZOB56a75a2Q5rCn5YyW5Li65LiJ5Lu344CC6ZOB56a75a2Q5LiO56Gr5rCw5qC55Lya5Y+N5bqU55Sf5oiQ6KGA57qi6Imy55qE54mp6LSo44CC
- 答案：QQ==
Qemhue+8jOawr+awlOaYr+acieiJsueahOOAguawr+awtOS4jueis+mFuOawoumSoOWbuuS9k+S5i+mXtOeahOS9nOeUqOW6lOivpeaYr+awouemu+WtkOS4jueis+mFuOawouagueeahOWPjeW6lO+8jOeUn+aIkOaXoOiJsueahOS6jOawp+WMlueis+awlOS9k+OAgjxicj7mlYVB6aG56ZSZ6K+v77yM6YCJQeOAgg==
本课配套习题挑战模式4/5
单选题
难度系数：
4.列关于氯水的叙述中，正确的是
| A: 新制氯水中只含有 Cl2和 H2O 分子 |
| B: 新制氯水中滴加硝酸银溶液，没有任何现象 |
| C: 新制氯水在光照的条件下，可以产生气体，该气体是氯气 |
| D: 新制氯水可使蓝色石蕊试纸先变红后褪色 |
一次做对，真牛！
+5奖励规则>
- 提示1：5rCv5rCU5b6u5rq25LqO5rC077yM5rC05Lit5Zug5rq26Kej5bCR6YeP5rCv5rCU6ICM5ZGI6buE57u/6Imy77yM5rCv5rCU5LiO5rC05Y+N5bqU77yaQ2w8c3ViPjI8L3N1Yj4rSDxzdWI+Mjwvc3ViPk89SDxzdXA+Kzwvc3VwPitDbDxzdXA+77mjPC9zdXA+K0hDbE/jgII=
- 提示2：SENsT+WFt+acieW8uuawp+WMluaAp+OAgeS4jeeos+WumuaAp+WSjOa8gueZveaAp++8jOWKoOWFpeacieiJsuW4g+adoe+8jOacieiJsuW4g+adoeikquiJsu+8jg==
- 答案：RA==
Qe+8juawr+awlOW+rua6tuS6juawtO+8jOawr+awlOS4juawtOWPjeW6lO+8mkNsPHN1Yj4yPC9zdWI+K0g8c3ViPjI8L3N1Yj5PPUg8c3VwPis8L3N1cD4rQ2w8c3VwPu+5ozwvc3VwPitIQ2xP77yM5paw5Yi25rCv5rC05Lit5ZCr5pyJQ2w8c3ViPjI8L3N1Yj7jgIFIPHN1Yj4yPC9zdWI+T+WSjEhDbE/nrYnliIblrZDvvIzmlYVB6ZSZ6K+v77ybPGJyPkLvvI7msK/msJTkuI7msLTlj43lupTvvJpDbDxzdWI+Mjwvc3ViPitIPHN1Yj4yPC9zdWI+Tz1IPHN1cD4rPC9zdXA+K0NsPHN1cD7vuaM8L3N1cD4rSENsT++8jOWKoOWFpUFnTk88c3ViPjM8L3N1Yj7murbmtrLvvIzkvJrmnInnmb3oibLmsonmt4DkuqfnlJ/vvIzmlYVC6ZSZ6K+v77ybPGJyPkPvvI5IQ2xP5YW35pyJ5LiN56iz5a6a5oCn77yM5YWJ54Wn5p2h5Lu25LiL5YiG6Kej55Sf5oiQ5rCn5rCU77yM5pWFQ+mUmeivr++8mzxicj5E77yOSENsT+WFt+acieW8uuawp+WMluaAp+WSjOa8gueZveaAp++8jOWKoOWFpeacieiJsuW4g+adoe+8jOacieiJsuW4g+adoeikquiJsu+8jOaVhUTmraPnoa7vvI48YnI+5pWF6YCJRO+8jg==
本课配套习题挑战模式5/5
单选题
难度系数：
5.在氯水中存在多种分子和离子，可通过实验的方法加以确定，下列说法中可能错误的是
| A: 加入含有NaOH的酚酞试液，红色褪去，说明有H+存在 |
| B: 加入有色布条后，有色布条褪色，说明有HClO分子存在 |
| C: 氯水呈浅黄色，且有刺激性气味，说明有Cl2分子存在 |
| D: 加入硝酸酸化的AgNO3溶液产生白色沉淀，说明有Cl－存在 |
一次做对，真牛！
+5奖励规则>
- 提示1：6aaW5YWI6KaB5piO56Gu5rCv5rC05Lit55qE5Li76KaB5oiQ5YiG77ya5rCv5rCU5YiG5a2Q44CB5qyh5rCv6YW45YiG5a2Q44CB5rCv56a75a2Q44CB5qyh5rCv6YW45qC544CB5rCi56a75a2Q562J44CC
- 提示2：5YiG5p6Q6YCJ6aG55Lit77yM5piv5ZCm5Lya5pyJ5YW25LuW5oiQ5YiG5bmy5omw57uT6K6644CC
- 答案：QQ==
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
