Q.

Statement 1: During calcination the ore is heated well below its melting point in the limited supply of air or absence of air.Statement 2: The process of calcination is carried out for sulphide ores.

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a

Both statements 1 and 2 are correct

b

Statement 1 is correct and Statement 2 is incorrect

c

Statement 1 is incorrect and statement 2 is correct

d

Both statements 1 and 2 are incorrect

answer is B.

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Detailed Solution

Heating of the ore below its melting point, in limited supply of oxygen, ensures removal of volatile impurities, water from hydrated ore. CO2 from carbonate ore.
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