试题与答案

氢氧化钠俗称______、______、______;物理性质有______、_

题型:填空题

题目:

氢氧化钠俗称______、______、______;物理性质有______、______、______、______用途______;

氢氧化钠不能干燥的气体有______、______、______.(联想:浓硫酸不能干燥的气体有______.你认为我们了解的物质中还能做干燥剂的有______.)

答案:

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