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燃烧的酒精加水为什么不熄灭

更新时间: 2020-07-01 00:00:00     

燃烧的酒精加水不熄灭的原因:水的密度比酒精大,再加入水之后,酒精漂浮在水面上,不能将酒精与空气隔离,所以将继续燃烧。

着火需要达到的三个条件:达到着火点、有空气和易燃物,所以酒精熄灭采取隔离空气的方法,可以使用湿抹布、沙土等进行熄灭。

关键词: 燃烧 酒精 为什么 熄灭

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