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问题详情

下列物质中能作为滴定分析基准试剂的是( )

A、KMnO<sub>4</sub>

B、K<sub>2</sub>CrO<sub>7</sub>

C、NaOH

D、HCl

时间：2021-07-17 23:39 关键词：给排水工程技术高起专水分析化学 2019级第三学期期末考试

答案解析

B

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