Question

Which of the following metals are refined by electrolytic refining? (i) Au (ii) Cu (iii) Zn (iv) K
(1) (i) and (ii)
(2) (ii) and (iii)
(3) (i), (ii), (iii)
(4) (ii), (iii) and (iv)

Answer 1

copper and zinc are refined by electrolysis

Answer 2

If we discuss the electrolytic refining process and if you want to know the accurate answer between following metals that are refined by this process then we can say that "(1) (i) and (ii)" is the correct answer.

Electrolytic refining process is utilized for following metals: Cu, Zn, Ag, Au etc. According to the above question Au - gold and Cu – copper will be considered right answer.