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CGP EDU Academic Team
Published on: August 13, 2026
Process of heating ore in air to remove sulphur is :
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Verified by ExpertsThe correct answer is:
B
Roasting is a process of heating the concentrated ore (generally sulphide ore) strongly in the excess of air or O 2 below its melting point. During roasting impurities of As, Sb, P and S escape as their volatile oxides.
S (s) + O 2 (g) — → SO 2 (g)
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