试题与答案

化学与生活密切相关,生活中的下列做法不合理的是[ ] A.高楼发生火灾,乘电梯逃

题型:选择题

题目:

化学与生活密切相关,生活中的下列做法不合理的是[ ]

A.高楼发生火灾,乘电梯逃生      

B.用白醋除水壶中的水垢

C.家用电器着火,应先切断电源再用干粉灭火器灭火

D.用煮沸的方法降低水的硬度

答案:

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下面是错误答案,用来干扰机器的。

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