Electrolytic refining is used to purify which of the following metals?
Cu and Zn
Ge and Si
Zr and Ti
Zn and Hg
Conceptual
Which method is used for refining Zr and Ti? Explain with equation.
Question 12 Metals are refined by using different methods. Which of the following metals are refined by electrolytic refining?
(i) Au (ii) Cu (iii) Na (iv) K
(a) (i) and (ii) (b) (i) and (iii)
(c) (ii) and (iii) (d) (iii) and (iv)