游客
题文

下列实验操作能够达到实验目的的是

A.实验室采用图①所示装置收集SO2
B.可用图②所示装置比较KMnO4、Cl2、S的氧化性强弱[
C.除去NaHCO3溶液中的Na2CO3,可加入Ca(OH)2溶液后过滤
D.称取0.40g NaOH,放入100 mL容量瓶中,配制0.10 mol/L NaOH溶液

科目 化学   题型 选择题   难度 中等
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