JEE Main 2021Chemistrys Block ElementsEasyMCQ

JEE Main 2021 — s Block Elements Question with Solution

JEE Main 2021 (31 Aug Shift 1)

Question

The major component/ingredient of Portland Cement is :

Choose an option

Show full solutionCorrect option: D
Correct answer
Dtricalcium silicate

Step-by-step explanation

Portland cement contain
(i) dicalcium silicate =26%,
(ii) Tricalcium silicate =51%,
(iii) Tricalcium aluminate =11%

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About this question

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.