Which one the following reactions does not occur during extraction of copper? (A) CaO + SiO2 CaSiO3 (B) 2 Cu2S + 3 O2 2 Cu2O + 2 SO2 (C) FeO + SiO2 FeSiO3 (D) 2 FeS + 3 O2 2 FeO + 2 SO2

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Question

Which one the following reactions does not occur during extraction of copper?

(A) CaO + SiO2 CaSiO3
(B) 2 Cu2S + 3 O2 2 Cu2O + 2 SO2
(C) FeO + SiO2 FeSiO3
(D) 2 FeS + 3 O2 2 FeO + 2 SO2

Prashant Kotian · Accepted Answer

Correct answer: A. Magnetic separation process is not involved during extraction of Cu.

💡 Solution & Explanation