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Q.

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

P. Gold; Q. Iron; R. Silver; S. Magnesium

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a

P and R

b

Q and S

c

R and S

d

P and Q

answer is C.

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Detailed Solution

Gold and Silver are present in the anode mud during the electro-refining of copper.

Precious elements including Ag, Au, Sb, Sn, Pt, and others are discovered in the anode mud during the electrolytic refining of copper.

Hence, option C is correct.

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Which of the following metals may be present in the anode mud during electrorefining of copper?P. Gold; Q. Iron; R. Silver; S. Magnesium