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.相同质量的KClO3、H2O2和H2O，完全分解产生氧气的质量
| A: KClO3最多 |
| B: H2O2最多 |
| C: H2O最多 |
| D: 一样多 |
一次做对，真牛！
+5奖励规则>
- 提示1：5pys6aKY5Y+v5Lul5bu656uL5Li76KaB5Y+N5bqU54mp5LiO5rCn5rCU55qE5YWz57O75p2l6Kej5Yaz44CCS0NsTzxzdWI+Mzwvc3ViPuWSjEg8c3ViPjI8L3N1Yj5P5Lit55qE5rCn5YWD57Sg5YWo6YOo6L2s5YyW5Li65rCn5rCU77yM5Zug5q2k6KaB55Sf5oiQ55u45ZCM6LSo6YeP55qE5rCn5rCU5pe277yM55u45a+56LSo6YeP5bCP55qE5raI6ICX5bCR44CC
- 提示2：5Lmf5Y+v5Lul55u05o6l5YGH6K6+55Sf5oiQMzJn5rCn5rCU5pe25ZCE6ZyA6KaB5Y+N5bqU54mp55qE6LSo6YeP5piv5aSa5bCR44CC
- 答案：Qw==
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
本课配套习题挑战模式2/5
多选题
难度系数：
2.在相同的温度和压强下，相同体积的气体具有相同的分子数，反之亦然．取同温同压下相同体积的CO和O2混合，在一定条件下充分反应，恢复到初始温度和压强．下列说法正确的是
| A: 参加反应的CO和O2的体积比为2：1 |
| B: 生成的CO2分子个数为原来气体分子数的三分之二 |
| C: 反应后气体的体积为原来的四分之三 |
| D: 反应后的气体中C、O原子的个数比为1：2 |
一次做对，真牛！
+5奖励规则>
- 提示1：5LiA5rCn5YyW56Kz5LiO5rCn5rCU5Y+R55Sf5Y+N5bqU77yaMkNPK088c3ViPjI8L3N1Yj7ilZAyQ088c3ViPjI8L3N1Yj7vvIzmoLnmja7lj43lupTnmoTns7vmlbDmr5Tlj6/ku6Xnoa7lrprlj4LliqDlj43lupTnmoRDT+WSjE88c3ViPjI8L3N1Yj7nmoTliIblrZDkuKrmlbDmr5TvvIzku6Xlj4rku5bku6znmoTkvZPnp6/mr5TvvJs=
- 提示2：5Zyo6K6h566X5Y+N5bqU5ZCO55qE5ZCE6YeP5pe26KaB5rOo5oSP77yM5pys6aKY5Lit6LW35aeL5pe25LiA5rCn5YyW56Kz5LiO5rCn5rCU55qE5L2T56ev5q+U5Li6MTox77yM6ICM5Y+N5bqU55qE5q+U5L6L57y65bm26Z2e5aaC5q2k77yM5Zug5q2k6ZyA6KaB56Gu5a6a6L+H6YeP5LiO5Ymp5L2Z44CC
- 提示3：5YyW5a2m5Y+N5bqU5YmN5ZCO77yM5Y6f5a2Q55qE56eN57G75LiO5Liq5pWw5L+d5oyB5LiN5Y+Y44CC
- 答案：QSxD
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
本课配套习题挑战模式3/5
单选题
难度系数：
3.将18g高锰酸钾加热，当产生1.6g氧气时，固体剩余物是
| A: KMnO4 MnO2 |
| B: K2MnO4 MnO2 |
| C: KMnO4 MnO2 K2MnO4 |
| D: KMnO4 K2MnO4 |
一次做对，真牛！
+5奖励规则>
- 提示1：5qC55o2u6auY6ZSw6YW46ZK+5YiG6Kej55qE5Y+N5bqU77yaPGltZyB3aWR0aD0yNTAgaGVpZ2h0PTM0IHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvOTEvNTUvckJBQ0UxVUdsUHF3ZmRkU0FBQUVQQlFuS2VjMjcxLnBuZyI+6L+b6KGM5YiG5p6Q44CC
- 提示2：5pys6aKY55qE5YWz6ZSu5piv5qC55o2u55Sf5oiQ5rCn5rCU55qE6YeP6L+b6KGM6K6h566X77yM5YiG5p6Q6auY6ZSw6YW46ZK+5piv5ZCm5a6M5YWo5YiG6Kej44CC
- 答案：Qw==
6auY6ZSw6YW46ZK+5Y+X54Ot5YiG6Kej55Sf5oiQSzxzdWI+Mjwvc3ViPk1uTzxzdWI+NDwvc3ViPuOAgU1uTzxzdWI+Mjwvc3ViPuWSjE88c3ViPjI8L3N1Yj7vvIzljJblrabmlrnnqIvlvI/kuLrvvJoyS01uTzxzdWI+NDwvc3ViPjx1PuKWszwvdT5LPHN1Yj4yPC9zdWI+TW5PPHN1Yj40PC9zdWI+K01uTzxzdWI+Mjwvc3ViPitPPHN1Yj4yPC9zdWI+4oaR77yM55SoMS42Z+awp+awlOiuoeeul+WPjeW6lOeahOmrmOmUsOmFuOmSvui0qOmHj+S4ujE1Ljhn77yM5q2k5pe25Zu65L2T5Ymp5L2Z54mp5Li66auY6ZSw6YW46ZK+44CB6ZSw6YW46ZK+5ZKM5LqM5rCn5YyW6ZSw77yM5pWF6YCJQw==
本课配套习题挑战模式4/5
单选题
难度系数：
4.质量相同的下列金属，分别加入到足量的稀硫酸中充分反应，放出氢气最多的是
| A: Fe |
| B: Al |
| C: Cu |
| D: Zn |
一次做对，真牛！
+5奖励规则>
- 提示1：5YiX5Ye65Y+N5bqU55qE5pa556iL77yM5Y+v5Lul5YGH6K6+6LSo6YeP5Li6MWfvvIzorqHnrpfnlJ/miJDmsKLmsJTnmoTotKjph48=
- 提示2：5rOo5oSP6ZOc5LiN6IO95LiO6YW45Y+N5bqU44CC
- 答案：Qg==
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
本课配套习题挑战模式5/5
单选题
难度系数：
5.混有某种物质的碳酸钙100g与足量的稀盐酸反应后，放出45g二氧化碳气体，则混入的物质可能是
| A: K2CO3 |
| B: NaOH |
| C: Na2CO3 |
| D: MgCO3 |
一次做对，真牛！
+5奖励规则>
- 提示1：6Kej562U5q2k57G76aKY55uu77yM6YeH55So5Lit6Ze05YC855qE5aSE55CG5oCd5oOz77yM5YWI5YGH5a6aMTAwZ+aYr+e6r+WHgOeahOeis+mFuOmSme+8jOeci+S6p+eUn+eahOS6jOawp+WMlueis+i0qOmHj+OAguS7peatpOWIpOaWremcgOimgeWQjOi0qOmHj+S6p+eUn+S6jOawp+WMlueis+WkmueahOi/mOaYr+WwkeeahOOAgg==
- 提示2：5YaN5bCG5ZCE6YCJ6aG55YiG5Yir5LqO56Kz6YW46ZKZ6L+b6KGM5a+55q+U5Y2z5Y+v44CC
- 答案：RA==
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
