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Fav十万个为什么
油烧着了，为什么不能用水去泼？
油烧着了不能用水泼，主要基于以下几个原因：
1、油水比重差异：油的比重小于水，浇水后，油会浮在水面上，无法隔绝空气，反而使燃烧的油与氧气接触更充分，导致火势加剧。
2、水的汽化作用：高温下水会迅速汽化，将燃烧的油滴带入空气中，形成油水混合物，使火势扩散并可能引发爆燃。
3、火势蔓延风险：水与热油接触后，会导致油滴飞溅，扩大燃烧范围，增加灭火难度和危险性。
总结：油烧着了不能用水泼，是因为油水比重差异、水的汽化作用以及火势蔓延风险共同作用的结果。这些因素不仅无法灭火，反而会加剧火情，因此应采用锅盖、湿抹布等方法隔绝氧气灭火。
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