检验是否有一氧化碳
检验是否有一氧化碳
怎样鉴别混合气体中含有一氧化碳 为什么要氢氧化钠溶液阿
怎样鉴别混合气体中含有一氧化碳 为什么要氢氧化钠溶液阿
化学人气:912 ℃时间:2020-05-18 16:08:57
优质解答
将气体通入NaOH后,通入灼热氧化铜后再通入石灰水,变混浊就有CO.NaOH是为了除去气体中可能有的CO2,说明CO2是还原后得到的
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