JEE Main 2019 — General Principles and Processes of Isolation of Metals Question with Solution
JEE Main 2019 (11 Jan Shift 2)
Question
The reaction that does NOT define calcination is:
Choose an option
Show full solutionCorrect option: B
Correct answer
B
Step-by-step explanation
Calcination involves heating of carbonates or hydrated oxides in absence of air.
(heating in a regular supply of air).
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This is a previous-year question from JEE Main 2019, 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.