120 JEE Main General Principles and Processes of Isolation of Metals PYQs (2002–2024) with verified answers and step-by-step solutions.
This page collects every JEE Main General Principles and Processes of Isolation of Metals previous-year question from Chemistry, 2002–2024. Each links to a full solution with a verified answer key. Click any year above to narrow the list, or open a question to study its step-by-step working and then practice it on PrepSharp's CBT player.
Identify the incorrect pair from the following :
In the extraction process of copper, the product obtained after carrying out the reactions  (i)  2 Cu 2  …
The reaction representing the Mond process for metal refining is ______
Which one of the following statements is incorrect ?
Which one of the following is most likely a mismatch?
Given below are two statements:- Statement I:- In froth floatation method a rotating paddle agitates the mixture to dri…
In Hall-Heroult process, the following is used for reducing Al 2 O 3 :-
Match List I with List II. List I List II A. Reverberatory furnace I. Pig iron B. Electrolytic cell II. Aluminium C. Bl…
The methods NOT involved in concentration of ore are (A) Liquation (B) Leaching (C) Electrolysis (D) Hydraulic washing…
The major component of which of the following ore is sulphide based mineral?
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