如表除去杂质的方法中正确的是选项物质杂质除杂质的方法ACaCl2溶液稀盐酸加过量碳酸钙，过滤BK2CO3溶液KCl加适量稀盐酸CCaOCaCO3加水，过滤DNaCl溶液Na2CO3加适量硝酸钙溶液_刷题宝

题干

如表除去杂质的方法中正确的是（）

选项	物质	杂质	除杂质的方法
A	CaCl₂溶液	稀盐酸	加过量碳酸钙，过滤
B	K₂CO₃溶液	KCl	加适量稀盐酸
C	CaO	CaCO₃	加水，过滤
D	NaCl溶液	Na₂CO₃	加适量硝酸钙溶液，过滤

A：A

B：B

C：C

D：D

上一题下一题 0.0难度选择题更新时间:2019-12-16 09:07:39

答案(点此获取答案解析）

A

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