Question

Which of the following methods are not used to refine any metal?
(A) Liquation
(B) Calcination
(C) Electrolysis
(D) Leaching
(E) Distillation
Choose the correct answer from the options given below:

• A. B and D only
• B. A, B, D and E only
• C. B, D and E only
• D. A, C and E only

Answer 1

Answer: (A)

Calcination and leaching are the methods of concentration of ore and not that of refining.