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醋为什么不会冻成冰
更新时间: 2020-10-02 00:00:00  

首先,醋是混合物,冰分子式是氧化氢,它们不是一种物质,所以变醋也不可能成冰。其次,醋的主要成分是水、乙酸、其他调味料,水在零摄氏度开始结冰,当水中加入乙酸等其他杂质时,溶液的凝固点降低,低于零摄氏度,只有当温度降低到此溶液的凝固点时才开始凝固,所以,醋不会冻成冰。

关键词: 为什么

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