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Saturday, 31 October

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JEE Main 2023 · ChemistryMultiple choiceSingle correctMediumRecall

JEE Main 8 April 2023, Shift 2, Chemistry Q68

Question 68 of 90 in this shift, Chemistry question 8 of 30, Section A.

For a good quality cement, the ratio of lime to the total of the oxides of Si, Al and Fe should be as close as to

(1)1
(2)2Official answer
(3)3
(4)4

Official answer

Option 2

NTA final key.

Chapter: The p-Block Elements
Topic: s-Block Elements
Idea tested: Portland Cement Composition and Setting

Same idea in other shifts

Asked 2× in all

31 Aug 2021, Shift 1 · Q38The major component/ingredient of Portland Cement is :EasySingle correct

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.