Chemistry - Metallurgy Question with Solution | TestHub

Mostly copper$\left(\text{C}\text{u}\right)$and zinc$\left(\text{Z}\text{n}\right)$are purified by electrolytic refining.

$\therefore \text{C}\text{u}\mathrm{\text{a}}\mathrm{\text{n}}\mathrm{\text{d}}\text{Z}\text{n}$is the correct option.