what is roasting and calcination
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Roasting is done in presence of oxygen and it is of sulphide ore and calcination is used for carbonate ore in absence of oxygen
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ores of metals when heated at below their melting point in absence of air is called calcination.
ores of metal when heated at below its melting point with access of air is called roasting.
ores of metal when heated at below its melting point with access of air is called roasting.
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