Carbonate ores are usually subjected to calcination, while sulphide or – InterviewSolution

1.	Carbonate ores are usually subjected to calcination, while sulphide ores are subjected to roasting. Comment on the statement.
Answer» Answer :CARBONATE ORES are decomposed to the oxide by CALCINATION. But sulphide ores are to be oxidised to metal oxide and `SO_2` be heting to HIGH TEMPERATURE with excess of air. This is known as roasting. Oxygen containing ores are subjected to calcination.

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