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镁条在空气中燃烧的现象
更新时间： 2021-01-14 07:31:15  

1、镁在空气中点燃，发出耀眼光芒（有水雾），有白色固体（白烟）生成。

2、镁在氧气中点燃，剧烈燃烧，发出耀眼白光，有白色固体（白烟）生成。

3、点燃（条件）：2Mg+O2==2MgO

关键词： 空气 燃烧 现象

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