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.下列关于氯水的叙述，正确的是
| A: 氯水中只含Cl2和HClO两种分子 |
| B: 新制氯水只能使蓝色石蕊试纸变红 |
| C: 光照氯水有气泡逸出，该气体主要是Cl2 |
| D: 氯水放置数天后其pH将变小，酸性增强 |
一次做对，真牛！
+5奖励规则>
- 提示1：5LmF572u5ZCO77yM5qyh5rCv6YW45LiN56iz5a6a77yM5YiG6Kej5Li655uQ6YW45LiO5rCn5rCU77yM5L2/5b6X5rCv5rCU57un57ut5LiO5rC05Y+N5bqU44CC
- 答案：RA==
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
本课配套习题挑战模式2/5
单选题
难度系数：
2.下列实验叙述正确的是
| A: 新制氯水放置数天，溶液中的Cl2分子数目不变 |
| B: 久置的氯水可使蓝色石蕊试纸先变红后褪色 |
| C: 钠长时间露置于空气中，最终得到Na2CO3粉末 |
| D: 钠投入硫酸铜溶液中有红色粉末产生 |
一次做对，真牛！
+5奖励规则>
- 提示1：5paw5Yi25rCv5rC05pS+572u5pWw5aSp77yMSENsT+WIhuino++8jOS/g+i/m+awr+awlOS4juawtOeahOWPjeW6lOato+WQkeenu+WKqO+8mw==
- 提示2：6ZKg5oqV5YWl56Gr6YW46ZOc5rq25ray5Lit77yMTmHlhYjkuI7msLTlj43lupTnlJ/miJBOYU9I5ZKM5rCi5rCU77yM5YaN5Y+R55SfTmFPSOS4juehq+mFuOmTnOeahOWkjeWIhuino+WPjeW6lO+8jg==
- 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.饱和氯水久置后，溶液中的各种粒子：①Cl2 ②H+ ③Cl﹣ ④HClO 减少的是
| A: ①②④ |
| B: ①②③ |
| C: ①④ |
| D: ②④ |
一次做对，真牛！
+5奖励规则>
- 提示1：5LmF572u5ZCO5Y+R55Sf5Y+N5bqUQ2w8c3ViPjI8L3N1Yj4rSDxzdWI+Mjwvc3ViPk8mIzg2NTI7SENsK0hDbE/vvIwySENsT+KVkDJIQ2wrTzxzdWI+Mjwvc3ViPuKGke+8jOeUseS6jkhDbE/nmoTliIbop6Plr7zoh7TkuoZDbDxzdWI+Mjwvc3ViPueahOS4jeaWreWPjeW6lO+8jOacgOWQjuWPmOaIkOS6hkhDbOa6tua2suOAgg==
- 答案：Qw==
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
本课配套习题挑战模式4/5
多选题
难度系数：
4.下列说法正确的是
| A: 光照氯水有气泡逸出，该气体是Cl2 |
| B: 新制氯水呈黄绿色是因为其中存在Cl2 |
| C: 久置氯水遇AgNO3溶液会产生白色沉淀 |
| D: 新制氯水经光照一段时间pH增大 |
一次做对，真牛！
+5奖励规则>
- 提示1：5rCv5rC05Lit55qE5qyh5rCv6YW46KeB5YWJ5piT5YiG6Kej5Li655uQ6YW45ZKM5rCn5rCU77yM5LmF572u5ZCO55qE5rCv5rC05Y+Y5Li655uQ6YW45rq25ray44CC
- 答案：QixD
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
本课配套习题挑战模式5/5
单选题
难度系数：
5.下列关于氯及其化合物的性质的说法，正确的是
| A: 液氯、氯水、次氯酸都具有漂白性 |
| B: 氯气可用向下排空气法收集 |
| C: 氯气能与大多数金属化合，且一般将变价金属氧化至最高价 |
| D: Cl﹣检验一般先加酸酸化（硝酸或盐酸），再加硝酸银溶液 |
一次做对，真牛！
+5奖励规则>
- 提示1：5YW35pyJ5ryC55m95oCn55qE5piv5qyh5rCv6YW477yb
- 提示2：Q2w8c3VwPu+5ozwvc3VwPuajgOmqjOS4gOiIrOWFiOWKoOmFuOmFuOWMluS4jeiDveeUqOebkOmFuO+8jOS8muW8leWFpeawr+emu+WtkO+8mw==
- 答案：Qw==
QeOAgeWFt+aciea8gueZveaAp+eahOaYr+asoeawr+mFuO+8jOa2suawr+aYr+awr+awlOWNlei0qOS4jeWFt+aciea8gueZveaAp+OAgeawr+awtOOAgeasoeawr+mFuOmDveWFt+aciea8gueZveaAp++8jOaVhUHplJnor6/vvJs8YnI+QuOAgeawr+awlOavlOepuuawlOmHje+8jOS4jeiDveeUqOWQkeS4i+aOkuepuuawlOazleaUtumbhu+8jOaVhULplJnor6/vvJs8YnI+Q+OAgeawr+awlOaYr+W8uuawp+WMluWJgu+8jOS4juWPmOS7t+mHkeWxnuawp+WMluS4uumrmOS7t+WMluWQiOeJqe+8jOWSjOWkp+WkmuaVsOmHkeWxnuWMluWQiO+8jOaVhUPmraPnoa7vvJs8YnI+ROOAgUNsPHN1cD7vuaM8L3N1cD7mo4DpqozkuIDoiKzlhYjliqDphbjphbjljJbkuI3og73nlKjnm5DphbjvvIzkvJrlvJXlhaXmsK/nprvlrZDlubLmibDnprvlrZDmo4DpqozvvIzmlYVE6ZSZ6K+v77ybPGJyPuaVhemAiUPvvI4=
