实验室常用的干燥剂“碱石灰 是cao和固体naoh的混合物极易与空气中水蒸汽和co2反应而变质某同学对一瓶久置的“碱石灰 作了如下探究 Template




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tomski实验室常用的干燥剂“碱石灰 是cao和固体naoh的混合物极易与空气中水蒸汽和co2反应而变质某同学对一瓶久置的“碱石灰 作了如下探究 coloring