Question

Which of the following metals are produced by the electrolysis of their molten compounds ?
A) Copper
B) Silver
C) Aluminium
D) Sodium
A. A and B
B. Band C
C. C and D
D. only D

Answer 1

Answer:

c) aluminum and sodium

Explanation:

Both Aluminum and Sodium metals are produced by the electrolysis of their molten compounds because they are not freely available. They need to be extracted from their sources.

Answer 2

C. C and D -- Aluminium and Sodium

Explanation:

Aluminium and Sodium are produced by the electrolysis of their molten compounds. Electrolysis is the process by which ionic substances are decomposed (broken down) into simpler substances when an electric current is passed through them. The industrial extraction of sodium from molten sodium chloride is done by the Downs cell, in which the cathode produces sodium while chlorine is formed at the anode. The same principle is used for the extraction of Aluminium from its molten salt.

Option C is the answer.