Differentiate between roasting and calcination explain the two with the help of a chemical equation how is xing xl is extracted from its ore
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roasting is the process in which the ore is heated below its melting poont in presence of air to oxidise the impurities. eg carbon
and calcination is the process od heating the ore below its melting point an absence of air to remove volatile impurities like arsenic etc.
and calcination is the process od heating the ore below its melting point an absence of air to remove volatile impurities like arsenic etc.
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