Question
Question: Which of the following metals may be present in the anode mud during electro refining of copper? I....
Which of the following metals may be present in the anode mud during electro refining of copper?
I. Gold ; II. Iron, III.Silver ; IV Magnesium
A
I and II
B
II and IV
C
I and III
D
III and IV
Answer
I and III
Explanation
Solution
Anode mud contains Ag, Au as impurities.