JEE Main 2019 — Hydrogen Question with Solution
From: JEE Main 2019 (Online) 9th January Evening Slot
Question
The temporary hardness of water is due to :
Choose an option
Show full solutionCorrect option: C
Correct answer
CCa(HCO3)2
Step-by-step explanation
Ca(HCO3)2 is responsible for temporary hardness of water.
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This is a previous-year question from JEE Main 2019, 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.