本课配套习题挑战模式1/5
单选题
难度系数:
1.下列操作及现象中,可以断定溶液中含有氯离子的是
A: 加入硝酸银,有白色沉淀生成 |
B: 加入硫酸后,瓶口有白雾出现 |
C: 溶液呈黄绿色 |
D: 酸化后低价硝酸银,有白色沉淀生成 |
一次做对,真牛!
+5奖励规则>
- 提示1:5rCv56a75a2Q55qE5qOA6aqM6ZyA6KaB5YWI6YW45YyW77yM5o6S6Zmk5YW25LuW5pyJ5b2x5ZON55qE56a75a2Q44CC
- 提示2:5rq25ray55qE6aKc6Imy5LiA6Iis5LiN6IO955So5p2l5qOA6aqM56a75a2Q55qE5a2Y5Zyo44CC
- 答案:RA==
5rCv56a75a2Q55qE5qOA6aqM77ya5YWI6YW45YyW77yM5YaN5L2O5Lu356Gd6YW46ZO25rq25ray44CC6Iul5Ye6546w55m96Imy5rKJ5reA77yM5YiZ6K+B5piO5pyJ5rCv56a75a2Q5a2Y5Zyo44CC5pWF6YCJ5oupROmhueOAgg==
本课配套习题挑战模式2/5
单选题
难度系数:
2.“84”消毒液在日常生活中使用广泛,该消毒液无色,有漂白作用.它的有效成分是下列物质中的一种,这种物质是
A: 氯水 |
B: 高锰酸钾溶液 |
C: 次氯酸钠 |
D: 硫酸钠 |
一次做对,真牛!
+5奖励规则>
- 提示1:6K+l5raI5q+S5ray5peg6Imy77yM5pyJ5ryC55m95L2c55So44CC5rCv5rC05piv6buE57u/6Imy5ray5L2T44CC
- 答案:Qw==
5rCv5rC05Li65rWF6buE57u/6Imy77yM6auY6ZSw6YW46ZK+5rq25ray5Li657Sr6Imy77yM5YW35pyJ5ryC55m95oCn77yM6ICM56Gr6YW46ZKg5Li65peg6Imy5LiU5LiN5YW35pyJ5ryC55m95oCn77yMPGJyPuWPquacieasoeawr+mFuOmSoOeahOa6tua2suS4uuaXoOiJsu+8jOS4lOWFt+aciea8gueZveaAp++8jOespuWQiOmimOaEj++8jDxicj7mlYXpgIlD77yO
本课配套习题挑战模式3/5
单选题
难度系数:
3.能用于工业生产的是
A: 钠在氯气中燃烧制氯化钠 |
B: 二氧化锰和浓盐酸共热制氯气 |
C: 氯气与消石灰反应制漂白粉 |
D: 电解NaCl溶液制金属钠 |
一次做对,真牛!
+5奖励规则>
- 提示1:5bel5Lia55Sf5Lqn5LiN5L2G6KaB6ICD6JmR5Y+N5bqU6IO95ZCm5Yi25b6X5oOz6KaB55qE5Lqn54mp77yM6L+Y6KaB5YWz5rOo5pWI546H5LiO5oiQ5pys44CC
- 提示2:5rCv5YyW6ZKg5q+U5rCv5rCU5a655piT5Yi25b6X77yM5Zyo5rW35rC05Lit55u05o6l5o+Q5Y+W5Y2z5Y+v77yM5bel5Lia5Yi25rCv5rCU5piv55So55S16Kej6aWx5ZKM6aOf55uQ5rC044CC
- 提示3:5Yi26YeR5bGe6ZKg5bqU55S16Kej54aU6J6N55qE5rCv5YyW6ZKg77yO
- 答案:Qw==
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
本课配套习题挑战模式4/5
单选题
难度系数:
4.下列有关说法不正确的是
A: 工业上以氯气和饱和石灰水为原料制造漂白粉 |
B: 工业上常用氢气在氯气中燃烧生成氯化氢,然后将其溶于水的方法生产盐酸 |
C: 以电解饱和食盐水为基础获取氯气等产品的工业称为“氯碱工业” |
D: 干冰和碘化银可用于人工降雨 |
一次做对,真牛!
+5奖励规则>
- 提示1:5bel5Lia5LiK5Lul5rCv5rCU5ZKM55+z54Gw5Lmz5Li65Y6f5paZ5Yi26YCg5ryC55m957KJ77yb
- 提示2:5rCv56Kx5bel5Lia5oyH55qE5piv55S16Kej6aWx5ZKM6aOf55uQ5rC055Sf5oiQ5rCv5rCU44CB5rCi5rCn5YyW6ZKg5ZKM5rCi5rCU55qE5bel5Lia55Sf5Lqn6L+H56iL77yb
- 答案:QQ==
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
本课配套习题挑战模式5/5
单选题
难度系数:
5.SO2和Cl2均可用于漂白工业,对于二者的说法正确的是
A: 利用SO2的漂白性可使酸性高锰酸钾溶液褪色 |
B: 漂白粉是一种混合物,其有效成分是 Ca(ClO)2 |
C: 为便于储存和使用,可用液氯代替氯水漂白干燥棉布上的有色物质 |
D: 为增强漂白效果,可将等物质的量的SO2和Cl2混合使用以达到增强效果的目的 |
一次做对,真牛!
+5奖励规则>
- 提示1:5LqM5rCn5YyW56Gr5LiO6auY6ZSw6YW46ZK+5Y+R55Sf5rCn5YyW6L+Y5Y6f5Y+N5bqU77yb
- 提示2:562J54mp6LSo55qE6YeP55qEU088c3ViPjI8L3N1Yj7lkoxDbDxzdWI+Mjwvc3ViPua3t+WQiOWPjeW6lOeUn+aIkOebkOmFuOWSjOehq+mFuO+8jg==
- 答案:Qg==
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