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钾钠分别与氧气与水反应现象
更新时间: 2020-06-28 00:00:00  

1、钠在氧气中剧烈燃烧,生成淡黄色物质,发出黄光。

2、钾在氧气中剧烈燃烧,生成橙黄色物质,发出紫色的光芒。

3、钠与水反应时现象是:剧烈反应,放出无色气体,最后有淡黄色小球在水面不停的打转,并发出滋滋的声音。

4、钾与水反应时的现象与钠相仿,但比之更为强烈。

关键词: 分别 氧气 反应 现象

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