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提纯是化子实验常用的一种方法．除去下表混合物中的杂质，所选除杂试剂正确的是（ ）
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提纯是化子实验常用的一种方法．除去下表混合物中的杂质所选除杂试剂正确的是
A
B
C
D
提纯是化子实验常用的一种方法．除去下表混合物中的杂质所选除杂试剂正确的是
A
B
C
D
提纯是化子实验常用的一种方法．除去下表混合物中的杂质所选除杂试剂正确的是
A
B
C
D
对于混合物的分离或提纯常采用的方法有:过滤蒸发蒸馏萃取渗析加热分解等下列各组混合物的分离或提纯应采用
提纯是化学实验常用的一种方法．除去下表混合物中的杂质所选除杂试剂错误的是
A
B
C
D
提纯是化学实验常用的一种方法．除去下表混合物中的杂质所选除杂试剂错误的是
A
B
C
D
提纯是化学实验常用的一种方法．除去下表混合物中的杂质所选除杂试剂错误的是
A
B
C
D
用于分离或提纯物质的方法有A.蒸馏分馏B.萃取C.过滤D.重结晶E.分液.下列各组混合物的分离或提纯
用于分离或提纯物质的方法有A.蒸馏分馏B.蒸发C.萃取D.过滤E.重结晶F.分液下列各组混合物的分离
提纯是化子实验常用的一种方法．除去下表混合物中的杂质所选除杂试剂正确的是
A
B
C
D
提纯是化子实验常用的一种方法．除去下表混合物中的杂质所选除杂试剂正确的是
A
B
C
D
提纯是化子实验常用的一种方法．除去下表混合物中的杂质所选除杂试剂正确的是
A
B
C
D
用于分离或提纯物质的方法有A.蒸馏分馏B.萃取C.过滤D.重结晶E.分液下列各组混合物的分离或提纯应
在生活生产和科学实验中要除去混合物中的杂质通常有两种思路①将杂质从混合物中除去②将有用物质从混合物中
（1）
（2）
（1）（2）
（2）（3）
用于分离或提纯物质的方法有A.蒸馏分馏B.萃取C.过滤D.重结晶E.分液.下列各组混合物的分离或提纯
提纯是化子实验常用的一种方法．除去下表混合物中的杂质所选除杂试剂正确的是
A
B
C
D
提纯是化学实验常用的一种方法．除去如表混合物中的杂质所选除杂试剂错误的是
A
B
C
D
常用于分离或提纯物质的方法有A.蒸馏分馏B.蒸发C.萃取D.过滤E.重结晶F.分液给下列各组混合物的
下列分离或提纯物质的方法正确的是
用蒸馏的方法分离水和油的混合物
用分液的方法分离酒精和水的混合物
用过滤的方法除去NaCl溶液中含有的少量泥沙
用加热、蒸发的方法可以除去NaCl中CaCl
2
、MgCl
2
等杂质
提纯是化子实验常用的一种方法．除去下表混合物中的杂质所选除杂试剂正确的是
A
B
C
D
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