JEE Main 2021ChemistryGeneral Principles and Processes of Isolation of MetalsMediumMCQ

JEE Main 2021General Principles and Processes of Isolation of Metals Question with Solution

JEE Main 2021 (25 Jul Shift 2)

Question

Match List I with List II : (Both having metallurgical terms)

  List-I   List-II
(a) Concentration of Ag
ore
(i) Reverberatory furnace
(b) Blast furnace (ii) Pig iron
(c) Blister copper (iii) Leaching with dilute NaCN solution
(d) Froth floatation
method
(iv) Sulfide ores

Choose the correct answer from the options given
below:

Choose an option

Show full solutionCorrect option: A
Correct answer
A(a)-(iii), (b)-(ii), (c)-(i), (d)-(iv)

Step-by-step explanation

(a) Concentration of Ag is performed by leaching with dilute NaCN solution
(b) Pig iron is formed in blast furnace
(c) Blister Cu is produced in Bessemer converter
(d) Froth floatation method is used for sulphide
ores.

Note : During extraction of Cu reverberatory furnace is involved.

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About this question

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.