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.

Assertion: During calcinations, the ore is heated well below its melting point in the limited supply of oxygen. Reason: The process of calcinations is carried out for sulphide ores.

Assertion : During calcination, the ore is heated well below its melting point in the limited supply of oxygen. Reason: The process of calcination is carried out for sulphide ores. (1) If both (A) and (R) are correct and (R) is the correct explanation of(A). (2) If both (A) and (R) are correct, but (R) is not the correct explanation of (A). (3) If (A) is correct, but (R) is incorrect. (4) If both (A) and (R) are incorrect.

Heating an ore in the absence of air. below its melting point is called

The process in which ore is heated in air below its melting point is known as :

In calcination, ore is heated strongly in the absence of air

In calcination, ore is heated strongly in the absence of air

Calcination of ores involves heating the ore below its fusion temperature in