本课配套习题挑战模式1/5
单选题
难度系数:
1.下列氯化物既可以由氯气与金属反应制得,又可以由金属与盐酸反应制得的是
A: AlCl3 |
B: FeCl2 |
C: FeCl3 |
D: CuCl2 |
一次做对,真牛!
+5奖励规则>
- 提示1:5rCv5rCU5YW35pyJ5by65rCn5YyW5oCn77yM5LiO5Y+Y5Lu36YeR5bGe5Y+N5bqU55Sf5oiQ5pyA6auY5Lu35oCB44CC
- 答案:QQ==
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
本课配套习题挑战模式2/5
单选题
难度系数:
2.某学生以铁丝和Cl2为原料进行下列三个实验.从分类角度下列分析正确的是
A: 实验①、③反应制得的物质均为纯净物 |
B: 实验②、③均未发生氧化还原反应 |
C: 实验②、③均为放热反应 |
D: 实验①、②所涉及的物质均为电解质 |
一次做对,真牛!
+5奖励规则>
- 提示1:4pGi5b6X5Yiw55qE5piv5rCi5rCn5YyW6ZOB6IO25L2T77yM5piv5re35ZCI5L2T57O777yb
- 提示2:5a6e6aqM4pGg5Lit55qE6ZOB5ZKM5rCv5rCU5piv5Y2V6LSo5pei5LiN5piv55S16Kej6LSo5Lmf5LiN5piv6Z2e55S16Kej6LSo77yO
- 答案:Qg==
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
本课配套习题挑战模式3/5
单选题
难度系数:
3.0.1mol某元素的单质直接与足量氯气反应,质量增加7.1g,这种元素可能是
A: Na |
B: Al |
C: Fe |
D: Cu |
一次做对,真牛!
+5奖励规则>
- 提示1:6LSo6YeP5aKe5YqgNy4xZ++8jOWImeawr+awlOeahOi0qOmHj+S4ujcuMWfvvIzlhbbnianotKjnmoTph4/kuLo8aW1nIHdpZHRoPTU4IGhlaWdodD0zNyBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwL0NFLzhBL3JCQUNKbFpCakhmRFpPZndBQUFDUm9KYTByMDYxMi5wbmciID49MC4xbW9s77yM5Y2z5Y2V6LSo5LiO5rCv5rCU5Lul562J54mp6LSo55qE6YeP5Y+N5bqU77yM5Lul5q2k5p2l6Kej562U77yO
- 答案:RA==
6LSo6YeP5aKe5YqgNy4xZ++8jOWImeawr+awlOeahOi0qOmHj+S4ujcuMWfvvIzlhbbnianotKjnmoTph4/kuLo8aW1nIHdpZHRoPTU4IGhlaWdodD0zNyBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwL0NFLzhBL3JCQUNKbFpCakhmRFpPZndBQUFDUm9KYTByMDYxMi5wbmciID49MC4xbW9s77yM5Y2z5Y2V6LSo5LiO5rCv5rCU5Lul562J54mp6LSo55qE6YeP5Y+N5bqU77yMPGJyPkHvvI7pkqDkuI7msK/msJTlj43lupTkuLoyTmErQ2w8c3ViPjI8L3N1Yj49Mk5hQ2zvvIzpkqDkuI7msK/msJTmjInnianotKjnmoTph4/mr5Qy77yaMeWPjeW6lO+8jOaVhUHkuI3pgInvvJs8YnI+Qu+8jumTneS4juS4juawr+awlOWPjeW6lOS4ujJBbCszQ2w8c3ViPjI8L3N1Yj49MkFsQ2w8c3ViPjM8L3N1Yj7vvIzpk53kuI7msK/msJTmjInnianotKjnmoTph4/mr5Qy77yaM+WPjeW6lO+8jOaVhULkuI3pgInvvJs8YnI+Q++8jumTgeS4juawr+awlOWPjeW6lOS4ujJGZSszQ2w8c3ViPjI8L3N1Yj49MkZlQ2w8c3ViPjM8L3N1Yj7vvIzpk4HkuI7msK/msJTmjInnianotKjnmoTph4/mr5Qy77yaM+WPjeW6lO+8jOaVhUPkuI3pgInvvJs8YnI+RO+8jkN15LiO5rCv5rCU5Y+N5bqU5Li6Q3UrQ2w8c3ViPjI8L3N1Yj49Q3VDbDxzdWI+Mjwvc3ViPu+8jEN15LiO5rCv5rCU5oyJ54mp6LSo55qE6YeP5q+UMe+8mjHlj43lupTvvIzmlYVE6YCJ77ybPGJyPuaVhemAiUTvvI4=
本课配套习题挑战模式4/5
单选题
难度系数:
4.下列物质能通过化合反应直接制得的是①FeCl2 ②H2SO4 ③NH4NO3 ④FeCl3.
A: 只有②③④ |
B: 只有②④ |
C: 只有①③④ |
D: 全部 |
一次做对,真牛!
+5奖励规则>
- 提示1:6ZOB5LiO5rCv5YyW6ZOB5Y+N5bqU55Sf5oiQ5rCv5YyW5Lqa6ZOB77yb
- 提示2:5rCo5rCU5ZKM56Gr6YW45Y+N5bqU55Sf5oiQ56Gr6YW46ZO144CC
- 答案:RA==
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
本课配套习题挑战模式5/5
单选题
难度系数:
5.某科研所欲检测一合金的成分,特做如下实验:取该合金64克,与足量的氯气完全反应,消耗氯气71克,则合金的组成可能是
A: Cu、Zn |
B: Na、Zn |
C: Fe、Ca |
D: Cu、Ca |
一次做对,真牛!
+5奖励规则>
- 提示1:5Lik56eN6YeR5bGe57uE5oiQ55qE5ZCI6YeRNjTlhYvvvIzkuI7otrPph4/msK/msJTlrozlhajlj43lupTvvIzlj4LliqDlj43lupTnmoTmsK/msJTkuLoxbW9s77yM5YGH6K6+6YeR5bGe6YO95Li6KzLku7fvvIzliJnph5HlsZ7nmoTnianotKjnmoTph4/kuLoxbW9s77yM5YiZ6YeR5bGe5re35ZCI54mp55qE5bmz6KGh55u45a+55Y6f5a2Q6LSo6YeP5Li6NjTvvIzliKnnlKjlubPlnYflgLzms5XliKTmlq3vvI4=
- 答案:Qg==
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