JEE Main 2021 — Hydrogen Question with Solution
From: JEE Main 2021 (Online) 26th August Morning Shift
Question
Which one of the following methods is most suitable for preparing deionized water?
Choose an option
Show full solutionCorrect option: A
Correct answer
ASynthetic resin method
Step-by-step explanation
Pure demineralised (de-ionized) water free from all soluble mineral salts is obtained by passing water successively through a cation exchange (in the H+ form) and an anion exchange (in the OH form) resins.
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This is a previous-year question from JEE Main 2021, covering the Hydrogen 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.