1/5单选题
难度：
1.往含Fe3＋、H＋、NO3-的混合液中加入少量SO32-，充分反应后，下列表示该反应的离子方程式正确的是( )
| A |  |
| B |  |
| C |  |
| D |  |
- 提示1：
- IOW8hOa4heWPjeW6lOmhuuW6j++8jOawp+WMlui/mOWOn+WPjeW6lOS8mOWFiOS6jumdnuawp+WMlui/mOWOn+WPjeW6lA==
- 提示2：
- IFNPPHN1Yj4zPC9zdWI+PHN1cD4yPC9zdXA+PHN1cD7vvI08L3N1cD7lhYjkuI5IPHN1cD7vvIs8L3N1cD7vvItOTzxpbWcgd2lkdGg9OCBoZWlnaHQ9MjIgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC8yQy9DRi9yQkFDRTFOZzNCX0JGVTR3QUFBQkd1bTVLM0ExNTcucG5nIj7lj43lupQ=
正确答案：Qw==
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
2/5单选题
难度：
2.将足量CO2通入KOH和Ca(OH)2的混合稀溶液中，生成沉淀的物质的量(n)和通入CO2体积(y)的关系正确的是 ( )
| A |   |
- 提示1：
- IOW8hOa4heWPjeW6lOmhuuW6jw==
- 提示2：
- IOW8hOa4heWbvuWDj+S4juWPjeW6lOS5i+mXtOeahOWFs+ezuw==
正确答案：
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
3/5单选题
难度：
3.向NaBr、NaI和Na2SO3混合液中通入一定量氯气后，将溶液蒸干并充分灼烧，得到固体物质的组成可能是 ( )
| A | NaCl、Na2SO4 |
| B | NaBr、Na2SO4 |
| C | NaCl、Na2SO4、I2 |
| D | NaCl、NaI、Na2SO4 |
- 提示1：
- IOW8hOa4heWPjeW6lOmhuuW6j+aYr+WFs+mUrg==
- 提示2：
- IOWwhua6tua2suiSuOW5suaXtkhDbOOAgUJyPHN1Yj4yPC9zdWI+5ZKMQ2w8c3ViPjI8L3N1Yj7kvJrmjKXlj5HvvIzngbzng6fml7ZJPHN1Yj4yPC9zdWI+5Lya5Y2H5Y2O
正确答案：QQ==
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
4/5单选题
难度：
4.含有a 
FeBr2的溶液中，通入xCl2. 下列各项为通Cl2过程中，溶液内发生反应的离子方程式，其中不正确的是（ ）
FeBr2的溶液中，通入xCl2. 下列各项为通Cl2过程中，溶液内发生反应的离子方程式，其中不正确的是（ ） | A |  |
| B |  |
| C |  |
| D |  |
- 提示1：
- IOW8hOa4heWPjeW6lOmhuuW6j+aYr+WFs+mUrg==
- 提示2：
- IOi/mOWOn+aAp++8mjxpbWcgd2lkdGg9NjggaGVpZ2h0PTIyIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvRjAvQzYvckJBQ0ZGTmczQy14aDF2T0FBQUNIQWJHNms0MzAwLnBuZyI+
正确答案：Qg==
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
5/5单选题
难度：
5.
在复盐NH4Al(SO4)2溶液中逐滴加入Ba(OH)2溶液，不可能发生的反应的离子方程式是（ ）
| A |
|
| B |
|
| C |
|
| D |
|
- 提示1：
- PHA+5aSN55uQ5rq25LqO5rC05LmL5ZCOLOWwseWPmOaIkE5IPHN1Yj40PC9zdWI+PHN1cD4rPC9zdXA+44CBQWw8c3VwPjMrPC9zdXA+44CBU088c3ViPjQ8L3N1Yj48c3VwPjItPC9zdXA+5LiJ56eN56a75a2QPC9wPg==
- 提示2：
- PHA+5byE5riF5Y+N5bqU6aG65bqPPC9wPg==
正确答案：QQ==
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