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.
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.