Question 12Metals are refined by using different methods. Which of the

1.	Question 12Metals 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)
Answer» Question 12 Metals are refined by using different methods. Which of the following metals are refined by electrolytic refining? (i) $A u$ (ii) $C u$ (iii) $N a$ (iv) $K$ (a) (i) and (ii) (b) (i) and (iii) (c) (ii) and (iii) (d) (iii) and (iv)

Question 12Metals 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)

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Question 12

Metals are refined by using different methods. Which of the following metals are refined by electrolytic refining?

(i) $A u$

(ii) $C u$

(iii) $N a$

(iv) $K$

(a) (i) and (ii) (b) (i) and (iii)