JEE Main 2019 — S Block Elements Question with Solution
From: JEE Main 2019 (Online) 10th April Evening Slot
Question
A hydrated solid X on heating initially gives a monohydrated compound Y. Y upon heating above 373 K leads
to an anhydrous white powder Z. X and Z, respectively, are :
Choose an option
Show full solutionCorrect option: B
Correct answer
BWashing soda and soda ash
Step-by-step explanation
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This is a previous-year question from JEE Main 2019, 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.