JEE Main 2023ChemistryGeneral Principles and Processes of Isolation of MetalsEasyMCQ

JEE Main 2023 — General Principles and Processes of Isolation of Metals Question with Solution

JEE Main 2023 (30 Jan Shift 1)

Question

In the extraction of copper, its sulphide ore is heated in a reverberatory furnace after mixing with silica to:

Choose an option

Show full solutionCorrect option: D
Correct answer
Dremove FeO as FeSiO3

Step-by-step explanation

In actual practice, the ore is heated in reverberatory furnace after mixing with silica. In the furnace, iron oxide 'slags off' as iron silicate and copper is produced in the form copper matte. This contains Cu2S and FeS.

FeO+SiO2⟶FeSiO3

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About this question

This is a previous-year question from JEE Main 2023, covering the General Principles and Processes of Isolation of Metals chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.