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CGP EDU Academic Team
Published on: August 13, 2026
In the extraction of copper, its sulphide ore is heated in a reverberatory furnace after mixing with silica to:
Text Solution
Verified by ExpertsThe correct answer is:
D
The copper ore contains iron, it is mixed with silica before heating in reverberatory furnace. FeO slags off as FeSiO 3 .
FeO + SiO 2 
FeSiO 3
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