题目内容

在电位滴定分析过程中，下列叙述可减少测定误差的方法是()。

A. 正确选择电极
B. 选择适宜的测量挡
C. 控制搅拌速度，降低读数误差
D. 控制溶液浓度，防止离子缔合

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更多问题

电位滴定法与直接电位法相比有何特点？

【单选题】The lecture is about _____.

A. job-hunting
B. how to find a job
C. online job search
D. how to apply for a job

【单选题】There are all together _____ steps involved in the process.

A. 4
B. 5
C. 6
D. 7

【单选题】The first question you will ask yourself is ____ .

A. what I want to do
B. what I should know
C. what I like
D. what I should have