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如何鉴别氢气和一氧化碳

更新时间: 2020-09-16 00:00:00     

用燃烧的方法,看燃烧的产物,氢气的燃烧产物是H2O,一氧化碳的燃烧产物是CO2 。

1、 罩一个干燥而冷的烧杯,有水生成的是H2燃烧的产物;

2、 罩一个沾有澄清的石灰水的烧杯,烧杯壁变白沫的是CO燃烧的产物。

关键词: 如何 鉴别 氢气 一氧化碳

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