Verified Solution • 2025–26 Session moderate

QJEEM23Chb399: JEE Main 2023 Chemistry - Class 11 JEEM23Chb399 Solution: For a good quality cement, the ratio of lime to the total of…

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

Multiple Choice Options

  • A 3
  • B 2
  • C 1
  • D 4

Step-by-Step Verified Solution

For good quality cement, the ratio of lime (CaO) to the sum of the oxides of silicon (SiO₂), aluminum (Al₂O₃), and iron (Fe₂O₃) should be approximately 2:1.

This proportion ensures that the cement has good strength and setting properties, as well as resistance to chemical attack.

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