JEE Main 2022 — S Block Elements Question with Solution
From: JEE Main 2022 (Online) 29th July Evening Shift
Question
Portland cement contains 'X' to enhance the setting time. What is 'X'?
Choose an option
Show full solutionCorrect option: B
Correct answer
B
Step-by-step explanation
Gypsum is added in portland cement to slow down the process of setting of the cement so that it gets
sufficient time to hardened.
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This is a previous-year question from JEE Main 2022, 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.