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《高中化学》第一册（心修）演示实验卜3]；学生实验五中金属钠与水反应，按书中的装置，操作复杂，很难检验钠与水反应后产生的气体一氢气．本人将该实验制作成微型装置．实践证明改进后的装置操作简便，现象明显，不管玻璃管内的气体是否集满，均可直接进行检验销与水反应后?
“Senior High School Chemistry” Volume I (Xiuxiu) demonstration experiment Bu 3]; student experiment five metal sodium reacts with water, according to the book’s device, the operation is complex, it is difficult to test the gas generated after the reaction of sodium and water-hydrogen. I made this experiment into a miniature device. The practice proved that the improved device is easy to operate and has obvious phenomena. Whether the gas in the glass tube is full or not, it can directly react with the test pin and water.