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.下列有关Na2CO3和NaHCO3的说法，错误的是
| A: 都易溶于水 |
| B: 水溶液都显碱性 |
| C: 都能与盐酸反应 |
| D: 加热都能分解 |
一次做对，真牛！
+5奖励规则>
- 提示1：5omA5pyJ6ZKg55uQ6YO95piT5rq25LqO5rC077yb
- 提示2：56Kz6YW45qC556a75a2Q5ZKM56Kz6YW45rCi5qC556a75a2Q6YO95Lya5Y+R55Sf5rC06Kej5rC05rq25ray6YO95pi+56Kx5oCn77yb6ICM56Kz6YW45rCi6ZKg5LiO6YW455qE5Y+N5bqU6L6D5b+r77yb
- 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.
某学习小组设计有关Na2CO3和NaHCO3的探究实验，其中设计方案明显错误的是
| A: 可用加热的方法除去Na2CO3固体中混有NaHCO3 |
| B: 可向NaHCO3溶液中通入过量的CO2气体除去其中混有的Na2CO3 |
| C: 可用澄清石灰水鉴别NaHCO3和Na2CO3两种溶液 |
| D: 分别向Na2CO3溶液、NaHCO3溶液中滴加过量的稀盐酸，均有气泡产生 |
一次做对，真牛！
+5奖励规则>
- 提示1：PHA+56Kz6YW45qC55LiO5LqM5rCn5YyW56Kz5Y+v5Lul5Y+R55Sf5Y+N5bqU55Sf5oiQ56Kz6YW45rCi5qC544CCPC9wPg==
- 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.关于 Na2CO3和NaHCO3下列说法不正确的是
| A: 可以用加热的方法除去Na2CO3中的NaHCO3 |
| B: 分别向Na2CO3和NaHCO3溶液滴加少量盐酸，产生CO2气体较快的为NaHCO3 |
| C: 可以用Ca（OH）2溶液区分Na2CO3和NaHCO3溶液 |
| D: Na2CO3比NaHCO3易溶于水 |
一次做对，真牛！
+5奖励规则>
- 提示1：55u45ZCM55qE5rip5bqm5LiL77yMTmFIQ088c3ViPjM8L3N1Yj7murbop6Pluqbmr5ROYTxzdWI+Mjwvc3ViPkNPPHN1Yj4zPC9zdWI+5bCP
- 提示2：5Yqg5YWl5r6E5riF55qE55+z54Gw5rC077yMTmE8c3ViPjI8L3N1Yj5DTzxzdWI+Mzwvc3ViPua6tua2suWSjE5hSENPPHN1Yj4zPC9zdWI+5rq25ray6YO96IO955Sf5oiQ5rKJ5reA
- 答案：Qw==
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本课配套习题挑战模式4/5
单选题
难度系数：
4.下列有关Na2CO3和NaHCO3的叙述正确的是
| A: 在相同温度下，Na2CO3比NaHCO3的溶解度小 |
| B: 可用澄清石灰水鉴别Na2CO3溶液和NaHCO3溶液 |
| C: 可用加热的方法除去Na2CO3中混有的NaHCO3杂质 |
| D: Na2CO3和NaHCO3固体分别与盐酸反应产生等量的CO2时，后者消耗的H+多 |
一次做对，真牛！
+5奖励规则>
- 提示1：6YO955Sf5oiQMW1vbOeahOS6jOawp+WMlueis++8jOeis+mFuOmSoOmcgDJtb2znmoTnm5DphbjvvIznorPphbjmsKLpkqDpnIAxbW9s55qE55uQ6YW4
- 答案：Qw==
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
本课配套习题挑战模式5/5
单选题
难度系数：
5.关于Na2CO3和NaHCO3比较中，下列说法不正确的是
| A: NaHCO3固体受热容易分解，而Na2CO3固体受热不容易分解 |
| B: 等质量的Na2CO3和NaHCO3分别与足量的盐酸反应，前者消耗盐酸的物质的量比后者多 |
| C: 等物质的量浓度的Na2CO3和NaHCO3溶液分别滴加2滴酚酞试液，前者颜色比后者深 |
| D: Na2CO3溶液和NaHCO3溶液分别与Ba（OH）2溶液反应的离子方程式相同 |
一次做对，真牛！
+5奖励规则>
- 提示1：5rOo5oSP562J6LSo6YeP5LiO562J54mp6LSo55qE6YeP55qE5Yy65Yir77yb
- 提示2：56Kz6YW45qC55LiO5rCi5rCn5qC55Lya5Y+N5bqU55Sf5oiQ56Kz6YW45qC55LiO5rC044CC
- 答案：RA==
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