Heating of a ore below its melting point in the absence of air is known as Options: A . &nbspRefining B . &nbspCalcination C . &nbspRoasting D . &nbspSmelting

Heating of a ore below its melting point in the absence of air is known as

Question

Heating of a ore below its melting point in the absence of air is known as

Options:

A . Refining

B . Calcination

C . Roasting

D . Smelting

Answer: Option B

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