下列除杂所选用的试剂及操作方法均正确的一组是（括号内为杂质）选项待提纯的物质除杂的试剂操作方法ANO2（NO）O2收集气体BCO2（HCl）饱和Na2CO3溶液洗气CFeCl2溶液（FeCl3）足_刷题宝

题干

下列除杂所选用的试剂及操作方法均正确的一组是（括号内为杂质）（）

选项	待提纯的物质	除杂的试剂	操作方法
A	NO₂（NO）	O₂	收集气体
B	CO₂（HCl）	饱和Na₂CO₃溶液	洗气
C	FeCl₂溶液（FeCl₃）	足量铁粉	过滤
D	KCl溶液（MgCl₂）	NaOH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:2018-07-07 08:47:04

答案(点此获取答案解析）

C

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