How does it differ from 'roasting"?
|(i)Ore is heated in pressure of
excess of air
|Ore is heated in the absence of air of or limited supply of air|
|(ii)Generally the process is
employed for sulphide ores
|Generally the process is employed for carbonate and hydrated oxide ores.|
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Solution How Calcination Differ from Roasting? Concept: Factors Influencing Rate of a Reaction.