JEE Main 2023 — p Block Elements (Group 13 & 14) Question with Solution
JEE Main 2023 (15 Apr Shift 1)
Question
For a good quality cement, the ratio of silica to alumina is found to be
Choose an option
Show full solutionCorrect option: D
Correct answer
D
Step-by-step explanation
For a good quality cement the ratio of silica () and alumina () should be between . Similarly, the ratio of lime () to the total oxide mixtures consisting of and should be roughly , If lime is in excess, the cement cracks during setting.
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This is a previous-year question from JEE Main 2023, covering the p Block Elements (Group 13 & 14) 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.