Write two differences between calcination and roasting. – InterviewSolution

1.

Write two differences between calcination and roasting.

Answer»

Calcination	Roasting
(i) It is carried out by heating ore in the absence of air.	(i) It is carried our by heating ore in the presence of air.
(ii) It converts carbonate ores into oxides	(ii) It converts sulphide ores into oxides.

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