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872 0

金属钠除了与水反应的实验外，我还没发现其他实验

所以我买的金属钠至今还扔在那里的
 硫酸铜溶液 7/12  硫酸铜溶液
1006 1

碱金属都能与水剧烈反应，所以必须小心使用

而且不能用手拿
 硫酸铜溶液 7/12  硫酸铜溶液
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