JEE Main 2021 — General Principles and Processes of Isolation of Metals Question with Solution
JEE Main 2021 (27 Jul Shift 2)
Question
The addition of silica during the extraction of copper from its sulphide ore :-
Choose an option
Show full solutionCorrect option: B
Correct answer
Bconverts iron oxide into iron silicate
Step-by-step explanation
Silica is used to remove FeO impurity from the ore of copper
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This is a previous-year question from JEE Main 2021, 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.