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怎么样用10种方式区别酒精和水

更新时间: 2020-10-05 00:00:00     

1、闻一闻,有特殊气味的是酒精;

2、分别用两种液体同时在黑板上写字,先干的是酒精;

3、用燃着的木条点燃液体,能够燃烧的是酒精;

4、同量的水和酒精放置同一地方,看谁蒸发的快,酒精比较快;

5、水的比热比酒精大;

6、取等剂量的水和酒精,比质量的大小。

关键词: 怎么样 方式 区别 酒精

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