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)
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)
Harshit Singh , 3 Years ago
Grade 12th pass
