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What is roasting?...

What is roasting?

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It is a process of heating the ore strongly in presence of air at a temperature below its melting point.
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In roasting :

Which of the following may reduce to metal while roasting?

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Difference between calcination & roasting

What is calcination and roasting ?

What is the difference between calcination and roasting?

What is the difference between calcination and roasting ?

Calcination and roasting are :