JEE Main 2003 — Hydrogen Question with Solution
From: AIEEE 2003
Question
Which one of the following process will produce hard water?
Choose an option
Show full solutionCorrect option: B
Correct answer
BSaturation of water with CaSO4
Step-by-step explanation
Permanent hardness of water is due to chlorides and sulphates of calcium and magnesium i.e. and
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This is a previous-year question from JEE Main 2003, 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.