KcetMetallurgyKCET 2024MCQ+1 / -02024Select the correct statement :A Roasting involves heating the ore in the absence of air.B Calcination involves heating the ore above its melting point.C Smelting involves heating the ore with suitable reducing agent and flux below its melting point.D Calcination of calcium carbonate is endothermic.Check AnswerClear SelectionReveal AnswerShow Explanation
