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用2种方法检验CO2,除了加澄清石灰水

用2种方法检验CO2,除了加澄清石灰水

2025-03-16 04:45:45

推荐回答（3个）

回答1：

还可以通入硝酸银啊！如果是二氧化碳的话就会变成碳酸银沉淀。
另外一种方法是把带火星的小木条放到集气瓶口，火星熄灭则说名该气体是二氧化碳。

回答2：

就算火星熄灭，那也可以是氮气，并不能证明是二氧化碳

回答3：

带火星的小木条放到集气瓶口，火星熄灭则说名该气体是二氧化碳。

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