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Chemistry PYQ series 2023

 Q. For a good quality cement, the ratio of silica to alumina is found to be

                                                        (JEE mains 2023)

1. 3 


2. 4.5


3. 2


4.1.5

Ans:- (1)

For good quality cement, the ratio of silica (SIO2) to Alumina (Al2O3) should be between 2.5 to 4.

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