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What Is Calcination And Roasting.? |
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Answer» Calcination is conversion of carbonate ore in limited supply of oxygen while roasting is conversion of sulphide ores in presence of excess oxygen. While extraction calcination and roasting are respective processes to convert carbonate and sulphide ores into oxides for easier extraction. Roasting :- heatimg with excess aur to convert sulphide into oxide Calcination :- heating with limited air to convert carbonate into oxide |
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