Assertion: Durig calcination the ore is heated well below its melting point in the limited supply of air or absence of air.
Reason: The process of calcination is carried out for sulphide ores.

Options

A. If both (A) and ( R) are correct and ( R) is the correct explanation of (A).
B. If both (A) and ( R) are correct, but ( R) is not the correct explanation of (A).
C. If (A) is correct, but ( R) is incorrect.
D. If (A) is incorrect, but ( R) is correct.

Answer

C

Explanation

Correct reason : Heating of the ore below its melting point, in limited supply of oxygen, ensures removal of volatile impurities, water from hydrated ore, `CO_(2)` form carbonate ore.