Home Chemistry Purification, Classification and Nomenclature of Organic Compounds NTA Abhiyas Question - Metallurgy During the process of electro refining of co…
Chemistry Purification, Classification and Nomenclature of Organic Compounds NTA Abhiyas Question - Metallurgy Single Correct MCQ
Published on: August 13, 2026

During the process of electro refining of copper, some metals present as impurity settle down as anode mud. These are:

A
Sn and Ag
B
Pb and Zn
C
Ag and Au
D
Fe and Ni

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The correct answer is:
C

In anode mud, less electropositive elements are present. Ag and Au are less electropositive than Cu .

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