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Which of the following metals may be present in the anode mud during electrorefining 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

1 Answer

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by (63.7k points)
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Best answer

Correct option is (C) I and III

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