Statement-I: During calcination the ore is heated well below its melting point in limited supply of air or absence of air. Statement-2: The process of calcination is carried out for sulphide ores.

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Statement-1 is False, Statement-2 is True.

Statement- 1 is True, Statement-2 is True, Statement-2 is NOT a correct explanation for Statement-1.

Statement- 1 is True, Statement-2 is True; Statement-2 is a correct explanation for Statement-1.

Statement-1 is True, Statement- 2 is False.

answer is C.

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Detailed Solution

Calcination is a technique used in the metallurgical process to concentrate ore to oxide. It involves heating an ore with a finite amount of air. Roasting is the process of heating ore when a large amount of air is present. Carbon dioxide is often released when carbonate ores are calcined. Hence during calcination the ore is heated well below its melting point in limited supply of air or absence of air.

The process of calcination is carried out for sulphide ores, the calcination process is used. The ore is heated much below its melting point while being calcined in a little amount of oxygen.

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