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将电解饱和食盐水阴极气体与实验室制取的氧气分别收集在相同规格的集气瓶中,通过导热实验,采用排除法验证阴极气体不是氧气而是氢气。
Electrolytic saturated brine cathode gas and laboratory oxygen were collected in the same specifications of the gas collection bottle, through the thermal experiment, the elimination method to verify that the cathode gas is not oxygen but hydrogen.