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为什么水不会燃烧

更新时间: 2020-09-23 00:00:00     

要使可燃物燃烧,必须同时满足两个条件:一是可燃物要与氧气接触,二是要使可燃物达到着火点。水的化学性质稳定,水与火接触后能大量地吸收火中的热量,使燃烧的物质的温度降到着火点以下而熄灭。并且水本身就是从燃烧得到的。既是燃烧的产物,当然它也就没有再和氧气结合的能力。所以,水不能再燃烧了。

关键词: 为什么 燃烧

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