中学生网络课堂本课配套习题挑战模式1/3
单选题
难度系数：
1.在水溶液中能大量共存的一组离子是
| A: Fe2+、Al3+、ClO-、Cl- |
| B: K+、Cu2+、OH-、NO3- |
| C: NH4+、Na+、Br-、SO42- |
| D: Mg2+、H+、SiO32-、SO42- |
一次做对，真牛！
+5奖励规则>
- 提示1：IEHjgIE8aW1nIHdpZHRoPTEzNyBoZWlnaHQ9MjUgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC8yQi9GNy9yQkFDRTFOZ3EzX3paZE5WQUFBRFYtcnljTGM3ODcucG5nIj4NCuKGkiDmsKfljJbov5jljp/lj43lupTihpLkuI3og73lpKfph4/lhbHlrZjjgII=
- 提示2：IELjgIFDdTxzdXA+Mis8L3N1cD4rMk9IPHN1cD4tPC9zdXA+PT1Dde+8iE9I77yJPHN1Yj4yPC9zdWI+4oaTDQrihpIg5rKJ5reA5Y+N5bqU4oaS5LiN6IO95aSn6YeP5YWx5a2Y44CC
- 提示3：IDJIPHN1cD4rPC9zdXA+Kw0KU2lPPHN1Yj4zPC9zdWI+PHN1cD4yLTwvc3VwPj09SDxzdWI+Mjwvc3ViPlNpTzxzdWI+MyA8L3N1Yj7ihpIg6YW456Kx5Y+N5bqU4oaS5LiN6IO95aSn6YeP5YWx5a2Y44CC
- 答案：Qw==
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
本课配套习题挑战模式2/3
单选题
难度系数：
2.常温下，下列各组离子在指定溶液中一定能大量共存的是
| A: 0.1mol·L-1 NaOH溶液：K+、Na+、SO42-、CO32- |
| B: 0.1mol·L-1 Na2CO3溶液：K+、Ba2+、NO3-、Cl- |
| C: 0.1mol·L-1FeCl3溶液：K+、NH4+、I-、SCN- |
| D: c(H+)/c(OH-)=1.0×1014的溶液：Ca2+、Na+、ClO-、NO3- |
一次做对，真牛！
+5奖励规则>
- 提示1：IDxpbWcgd2lkdGg9NTE0IGhlaWdodD0zMyBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzJCL0Y3L3JCQUNFMU5ncTRiUjYyRWlBQUFKMmV4WloxTTYyNS5wbmciPg==
- 提示2：PGltZyB3aWR0aD01MzkgaGVpZ2h0PTMxIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvRUYvRUQvckJBQ0ZGTmdxNGJoREJHekFBQUtrdl9JZ0kwMjc2LnBuZyI+
- 提示3：IDxpbWcgd2lkdGg9NTM2IGhlaWdodD0zNCBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwL0VGL0VEL3JCQUNGRk5ncTRiUVg2cDNBQUFMSjN6eTdESTk2NS5wbmciPg==
- 答案：QQ==
MS4gPGltZyB3aWR0aD01MTQgaGVpZ2h0PTMzIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvMkIvRjcvckJBQ0UxTmdxNGJSNjJFaUFBQUoyZXhaWjFNNjI1LnBuZyI+PGJyPjIuPGltZyB3aWR0aD01MzkgaGVpZ2h0PTMxIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvRUYvRUQvckJBQ0ZGTmdxNGJoREJHekFBQUtrdl9JZ0kwMjc2LnBuZyI+IDxicj4zLiA8aW1nIHdpZHRoPTUzNiBoZWlnaHQ9MzQgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC9FRi9FRC9yQkFDRkZOZ3E0YlFYNnAzQUFBTEozenk3REk5NjUucG5nIj48YnI+
本课配套习题挑战模式3/3
单选题
难度系数：
3.
能在溶液中大量共存的一组离子是
| A: NH4+、Ag+、PO43-、Cl- |
| B: Fe3+、H+、I-、HCO3- |
| C: K+、Na+、NO3-、MnO4- |
| D: NH4+、OH-、Cl-、HCO3- |
一次做对，真牛！
+5奖励规则>
- 提示1：PHA+PGltZyBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzJCL0Y3L3JCQUNFMU5ncTQ3d1IxdGlBQUFKaXZFYnltZzEwNi5wbmciIGRhdGEtY2tlLXNhdmVkLXNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvMkIvRjcvckJBQ0UxTmdxNDd3UjF0aUFBQUppdkVieW1nMTA2LnBuZyIgaGVpZ2h0PSIzMyIgd2lkdGg9IjQ0OCI+PC9wPg==
- 提示2：PHA+PGltZyBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwL0VGL0VEL3JCQUNGRk5ncTQ3QjIyVTVBQUFLZlVKWENiYzQwNy5wbmciIGRhdGEtY2tlLXNhdmVkLXNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvRUYvRUQvckJBQ0ZGTmdxNDdCMjJVNUFBQUtmVUpYQ2JjNDA3LnBuZyIgaGVpZ2h0PSIzMyIgd2lkdGg9IjQ4NCI+PC9wPg==
- 提示3：PHA+PGltZyBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzJCL0Y3L3JCQUNFMU5ncTQ2RHR3ZWtBQUFKLTZtZDJJQTU0My5wbmciIGRhdGEtY2tlLXNhdmVkLXNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvMkIvRjcvckJBQ0UxTmdxNDZEdHdla0FBQUotNm1kMklBNTQzLnBuZyIgaGVpZ2h0PSIzMSIgd2lkdGg9IjUwNyI+PC9wPg==
- 答案：Qw==
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
