Question

Which of the following metals are obtained by electrolysis of their chlorides in molten state?

1. Na
2. Ca
3. Fe
4. Cu

विकल्प

• (i) and (iv)

•  (iii) and (iv)

• (i) and (iii)

• (i) and (ii)

Answer 1

(i) and (ii)

Explanation - 

Sodium and calcium are the metals obtained from their chloride ores by electrolysis in the molten state.