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.氯气跟下列物质反应时，能够产生白雾的是
| A: Na |
| B: Cu |
| C: H2 |
| D: Fe |
一次做对，真牛！
+5奖励规则>
- 提示1：5Zyo5YyW5a2m5Y+N5bqU5Lit55Sf5oiQ5Zu65L2T6aKX57KS5Li654Of77yM55Sf5oiQ5rCU5oCB5rCi5YyW54mp57uT5ZCI5rC06JK45rCU5oiQ5Li65bCP5ray5ru06ICM5Ye6546w6Zu+77yM5YiZ6IO95aSf5Lqn55Sf55m96Zu+6K+05piO5rCv5rCU5LiO54mp6LSo5Y+N5bqU55Sf5oiQ5rCU5L2T5rCi5YyW54mp77yO
- 答案：Qw==
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本课配套习题挑战模式2/5
单选题
难度系数：
2.
氢气和氯气的混合气体遇强光照射时，会发生爆炸现象，并在瓶口形成
| A: 白烟 |
| B: 白雾 |
| C: 白色烟雾 |
| D: 棕色烟 |
一次做对，真牛！
+5奖励规则>
- 提示1：PHA+5rCi5rCU5ZKM5rCv5rCU55qE5re35ZCI5rCU5L2T6YGH5by65YWJ54Wn5bCE5pe277yM55Sf5oiQSENs77yMSENs5piT5rq25LqO5rC044CCPC9wPg==
- 答案：Qg==
PHA+5YWJ54Wn5pe277yM5rCi5rCU5ZKM5rCv5rCU5Y+R55Sf54iG54K477yM55Sf5oiQSENs77yM5bqUSENs5piT5rq25LqO5rC077yM5b2i5oiQ6YW46Zu+77yM5Y+v6KeC5a+f5Yiw55m96Zu+77yOPGJyPuaVhemAiULvvI48L3A+
本课配套习题挑战模式3/5
单选题
难度系数：
3.下列实验现象的描述错误的是
| A: 氢气在氯气中燃烧生成绿色烟雾 |
| B: 红热的铁丝在氧气中燃烧，火星四射，生成黑色固体颗粒 |
| C: 点燃的硫在氧气中剧烈燃烧，发出蓝紫色火焰 |
| D: 钠在空气中燃烧，发出黄色的火焰，生成淡黄色固体 |
一次做对，真牛！
+5奖励规则>
- 提示1：5rCi5rCU5Zyo5rCv5rCU5Lit54eD54On77yM55Sf5oiQ5rCv5YyW5rCi77yM5Y+v6KeC5a+f5Yiw5pyJ55m96Zu+
- 答案：QQ==
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
本课配套习题挑战模式4/5
单选题
难度系数：
4.下列实验现象的描述正确的是
| A: 氢气在氯气中燃烧，发出苍白色火焰，瓶口上方有白色烟雾 |
| B: 铜在氯气中燃烧，产生棕黄色烟，产物溶于水，溶液呈蓝绿色 |
| C: 铁丝在氯气中燃烧，产生红色的浓烟，产物溶于水，溶液呈浅绿色 |
| D: 钠在空气中燃烧，发出黄色的火焰，生成白色固体 |
一次做对，真牛！
+5奖励规则>
- 提示1：5rOo5oSP4oCc54Of4oCd5LiO4oCc6Zu+4oCd55qE5Yy65Yir44CC
- 提示2：6YeR5bGe5Zyo5rCv5rCU5Lit54eD54On55Sf5oiQ55qE5piv5pyA6auY5Lu35rCv5YyW54mp44CC
- 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.下列实验现象描述正确的是
| A: 铜与氯气反应产生棕黄色的烟，加水后溶液呈蓝绿色 |
| B: 铁与稀硫酸反应，产生大量的气体，生成棕黄色溶液 |
| C: 氢气在氯气中燃烧产生苍白色烟雾，生成有刺激性气味的气体 |
| D: 钠在氧气中燃烧发出白色光，生成淡黄色固体 |
一次做对，真牛！
+5奖励规则>
- 提示1：6ZOB5LiO56iA56Gr6YW45Y+N5bqU55Sf5oiQ56Gr6YW45Lqa6ZOB44CC
- 提示2：6ZKg55qE54Sw6Imy5Li66buE6Imy44CC
- 答案：QQ==
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
