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.向CuCl2溶液中加入少量的铁粉充分反应后，溶液中的阳离子是
| A: Cu2+ |
| B: Fe2+ |
| C: Cu2+ 、Fe2+ |
| D: Fe3+ |
一次做对，真牛！
+5奖励规则>
- 提示1：5rOo5oSP5a6h6aKY44CC5pys6aKY5Lit6KaB5rOo5oSP55qE5piv4oCc5bCR6YeP4oCd6ZOB57KJ77yM5Zug5q2k5rCv5YyW6ZOc6L+H6YeP77yM5rq25ray5Lit5bqU6K+l5pyJ6ZOc56a75a2Q
- 提示2：6L+Y6KaB5rOo5oSP5LiA54K577yM6ZOB5Zyo5Y+R55Sf572u5o2i5Y+N5bqU5pe277yM6Ieq6Lqr5Y+Y5Li6KzLku7fnmoRGZTxzdXA+Mis8L3N1cD7nprvlrZA=
- 答案：Qw==
6ZOB55qE5rS75Yqo5oCn5q+U6ZOc5by677yM5ZCRQ3VDbDxzdWI+Mjwvc3ViPua6tua2suS4reWKoOWFpeWwkemHj+eahOmTgeeyie+8jOmTgee9ruaNouawr+WMlumTnOS4reeahOmTnOiAjOeUn+aIkOmTnOWSjOawr+WMluS6mumTge+8jOWFheWIhuWPjeW6lOWQju+8jOa6tua2suS4uuacquWPjeW6lOeahOawr+WMlumTnOS4juWPjeW6lOeUn+aIkOeahOawr+WMluS6mumTgeeahOa3t+WQiOa6tua2su+8jOatpOaXtua6tua2suS4reWQq+aciUN1PHN1cD4yKzwvc3VwPuOAgUZlPHN1cD4yKzwvc3VwPuS4pOenjemHkeWxnuemu+WtkO+8mzxicj7mlYXpgIlD77yO
本课配套习题挑战模式2/5
单选题
难度系数：
2.向只溶解有硝酸银和硝酸铜的溶液中加入一定量的铁粉，充分反应后溶液中仍有金属固体。过滤后往滤渣中加入盐酸，没有气体放出。根据上述现象，下列说法正确的是
| A: 滤渣中一定有Fe |
| B: 滤渣中一定有Ag和Cu |
| C: 滤液中一定有Fe(NO3)2 |
| D: 滤液中一定没有AgNO3，一定有Cu(NO3)2 |
一次做对，真牛！
+5奖励规则>
- 提示1：5pys6aKY55qE5YWz6ZSu5piv5Yik5pat6ZOB57KJ5piv5ZCm5pyJ5Ymp5L2Z44CC5bm25LiU5aaC5p6c6ZOB57KJ5peg5Ymp5L2Z77yM6L+Y6ZyA56Gu5a6a6ZO25ZKM6ZOc55qE5p6Q5Ye65YWI5ZCO6aG65bqP5Y+K5p6Q5Ye655qE6YeP
- 提示2：5qC55o2u6YeR5bGe5rS75Yqo5oCn6aG65bqP6KGo77yM6ZOB5bqU5YWI572u5o2i5Ye66ZO277yM5ZCO572u5o2i5Ye66ZOc
- 提示3：5qC55o2u4oCc6L+H5ruk5ZCO5b6A5ruk5rij5Lit5Yqg5YWl55uQ6YW477yM5rKh5pyJ5rCU5L2T5pS+5Ye64oCd6L+Z5LiA5p2h5Lu277yM5Y+v5Lul5Yik5pat5rKh5pyJ6ZOB5Ymp5L2Z44CC
- 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.向AgNO3溶液中加入一定量的Al和Fe的混合粉末，充分反应后过滤，得到滤渣和浅绿色滤液。关于该滤渣和滤液有下列四种说法：
①向滤渣中加入稀盐酸，一定有气泡产生。
②向滤液中加入稀盐酸，可能有气泡产生。
③滤渣中一定含有银。
④滤液中一定含有Fe(NO3)2,一定不含AgNO3，可能含有Al(NO3)3
其中正确的说法有
①向滤渣中加入稀盐酸，一定有气泡产生。
②向滤液中加入稀盐酸，可能有气泡产生。
③滤渣中一定含有银。
④滤液中一定含有Fe(NO3)2,一定不含AgNO3，可能含有Al(NO3)3
其中正确的说法有
| A: ①② |
| B: ②③ |
| C: ③④ |
| D: ②③④ |
一次做对，真牛！
+5奖励规则>
- 提示1：6aaW5YWI6KaB5qC55o2u6YeR5bGe5rS75Yqo5oCn6aG65bqP5Yik5pat572u5o2i55qE6aG65bqP44CC56Gd6YW46ZO26aaW5YWI5LiO6ZOd5Y+R55Sf572u5o2i5Y+N5bqU77yM6ZOd5Y+N5bqU5a6M5ZCO77yM56Gd6YW46ZO25omN5LiO6ZOB5Y+R55Sf572u5o2i5Y+N5bqU44CC
- 提示2：5YW25qyh6L+Y6KaB5YiG5p6Q5Y+N5bqU6YeP55qE5aSa5bCR44CC5qC55o2u4oCc5b6X5Yiw57u/6Imy5rq25ray4oCd6L+Z5LiA5p2h5Lu277yM56Gd6YW46ZO25LiO6ZOB5Y+R55Sf5LqG572u5o2i5Y+N5bqU44CC
- 提示3：6ZOd5YWo6YOo5Y+N5bqU77yM55Sf5oiQ5LqG6ZOd56a75a2Q44CC6ICM56Gd6YW46ZO25ZKM6ZOB6LCB6L+H6YeP5LiN6IO956Gu5a6a44CC
- 答案：Qg==
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
本课配套习题挑战模式4/5
单选题
难度系数：
4.为了探究影响锌与稀硫酸反应剧烈程度的因素，某学习小组用相同的三块锌片进行了以下实验。下列说法正确的是
| A: 对比实验①和③，研究硫酸的浓度对反应剧烈程度的影响 |
| B: 对比实验②和③，研究硫酸的浓度对反应剧烈程度的影响 |
| C: 对比实验①和③，研究温度对反应剧烈程度的影响 |
| D: 对比实验①和②，研究温度对反应剧烈程度的影响 |
一次做对，真牛！
+5奖励规则>
- 提示1：5qC55o2u5o6n5Yi25Y+Y6YeP55qE5oCd5oOz77yM5Zyo5q+U6L6D5Lik5Liq5a6e6aqM5pe277yM5LiN55u45ZCM55qE5p2h5Lu25Y2z5Li65omA56CU56m255qE5p2h5Lu2
- 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.下列四个实验中，只需三个就可以证明Zn，Cu、Ag三种金属的活动性顺序，其中不必要进行的实验是
| A: 将锌片放入稀硫酸中 |
| B: 将铜片放人稀硫酸中 |
| C: 将锌片放入硝酸银溶液中 |
| D: 将铜片放人硝酸银溶液中 |
一次做对，真牛！
+5奖励规则>
- 提示1：6aaW5YWI5bqU5YiG5p6Q5Ye65q+P5Liq6YCJ6aG56IO95aSf5b6X5Ye655qE57uT6K6644CC
- 提示2：57u85ZCI5YiG5p6Q5Zub5Liq57uT6K6677yM5bCx5Y+v5Lul5b6X5Yiw5LiN6ZyA6KaB55qE5LiA6aG544CC
- 答案：Qw==
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
