Multiple choice

Which of the following metals are produced by passing electric current through their compounds in molten state?

A. Aluminium

B. Copper

C. Magnesium

D. Iron

  1. A and B

  2. B and C

  3. C and D

  4. A and C

  5. B and D

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This is the correct option. Aluminium metal is produced by the electrolysis of molten aluminium oxide. Magnesium metal is produced by the electrolysis of molten magnesium oxide.