JEE Main 2015ChemistryHydrogenMediumMCQ

JEE Main 2015Hydrogen Question with Solution

JEE Main 2015 (10 Apr Online)

Question

Permanent hardness in water cannot be cured by:

Choose an option

Show full solutionCorrect option: D
Correct answer
DBoiling

Step-by-step explanation

Permanent hardness due to SO42-, Cl- of Ca2+ and Mg2+ cannot be removed by boiling.

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About this question

This is a previous-year question from JEE Main 2015, 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.