JEE Main 2021 — s Block Elements Question with Solution
JEE Main 2021 (27 Aug Shift 1)
Question
The number of water molecules in gypsum, dead burnt plaster and plaster of Paris, respectively are:
Choose an option
Show full solutionCorrect option: A
Correct answer
A and
Step-by-step explanation
Gypsum
Plaster of paris
Dead burnt of plaster
Plaster of paris
Dead burnt of plaster
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This is a previous-year question from JEE Main 2021, covering the s Block Elements 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.