试题与答案

用容量瓶配制一定物质的量浓度的溶液,该容量瓶必须是[ ] A.干燥的 B.瓶塞不

题型:选择题

题目:

用容量瓶配制一定物质的量浓度的溶液,该容量瓶必须是[ ]

A.干燥的

B.瓶塞不漏水的

C.用欲配制的溶液润洗过的

D.以上三项均须要求的

答案:

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题型:单项选择题

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