1:1  11-23[理·化学]周老师教大家理解各种漂白剂的漂白原理
推荐理由：SO2、活性炭、氯水、Na2O2、H2O2的漂白原理是否都相同？各自是什么？别着急，周老师全都告诉你！ 讲解人：http://www.jiandan100.cn/teacher/3cdd11338c32452fb10ffaeed386604a/ ，北京市东城区中学教研室主任，北京市化学特级教师。 题面：下列由相关实验现象所推出的结论正确的是（ ） A．Cl2、SO2均能使品红溶液褪色，说明二者均有氧化性 B．向溶液中滴加酸化的Ba(NO3)2溶液出现白色沉淀，说明该溶液中一定有SO42- C．Fe与稀HNO3、稀H2SO4反应均有气泡产生，说明Fe与两种酸均发生置换反应 D．分别充满HCl、NH3的烧瓶倒置于水中后液面均迅速上升，说明二者均易溶于水 【答案及详解】 本部分内容设定了隐藏,需要回复后才能看到
 跟帖分享你的答案，即可看到正确答案和解析！别忘了回帖后再点进来查看答案哦~同学们家里是否有漂白剂？想想为什么需要泡一会儿才能有效果呢？ ------------------------------------------------------------------------------------------------------------------------------------------------------------------ 查看更多本年级每周一题，请点击： http://www.jiandan100.cn/bbs/upload/forumdisplay.php?fid=386&
浏览本期“简单学习电子周报”完整目录：http://www.jiandan100.cn/bbs/upload/viewthread.php?tid=653584 |
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