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铁在氧气中燃烧为什么要加水
更新时间: 2020-10-31 00:00:00  

因为加水能吸收反应中散发的热量,否则容易致使实验器具炸裂。

通常反应速度在高速进行时,其反应热大且有发光现象时称为燃烧。燃烧常以瓦斯状进行,如液态之重油、固态之木材、煤炭等在燃烧之前需经过蒸发或受热分解产生可燃性多种瓦斯,与空气形成易燃性混合气,有火源时则起火燃烧。

关键词: 氧气 燃烧 为什么

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