试题与答案

在电镀镍铁合金时，柠檬酸钠所起的作用是（）。A、主盐 B、稳定剂 C、阳极活化剂 D

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题型：单项选择题

题目：

在电镀镍铁合金时，柠檬酸钠所起的作用是（）。

A、主盐

B、稳定剂

C、阳极活化剂

D、光亮剂

答案：

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