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鸡蛋煮熟后变轻了重了不变
更新时间: 2020-08-17 00:00:00  

1、一个鸡蛋发生变化,应该是刚煮熟的重,因为整个细胞失去了对物质的选择通过性,虽有水分排出,但也有水分进入,但是进入的水分多,因为鸡蛋内的原来气体所占的空间填充了水。

2、若是久置的熟鸡蛋,因为水分要大量蒸发而变轻,最后要轻于生鸡蛋。

关键词: 鸡蛋

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