JEE Main 2022ChemistryGeneral Principles and Processes of Isolation of MetalsEasyMCQ

JEE Main 2022 — General Principles and Processes of Isolation of Metals Question with Solution

JEE Main 2022 (28 Jun Shift 2)

Question

In the metallurgical extraction of copper, following reaction is used :

FeO+SiO2→FeSiO3

FeO and FeSiO3 respectively are.

Choose an option

Show full solutionCorrect option: D
Correct answer
DGauge and slag

Step-by-step explanation

During extraction of copper, iron oxide present as impurity is removed by adding SiO2 and converting it into FeSiO3

FeO+SiO2→FeSiO3          Flux          Slag

Hence,FeO is gangue and FeSiO3 is slag.

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About this question

This is a previous-year question from JEE Main 2022, 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.