MPSC Rajyaseva 2014 GS Paper 1 — Question 66
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सिमेंटची निर्मिती ही खालीलपैकी कुठल्या घटकांपासून झालेली आहे ? / The composition of cement is :
1)CaO - SiO2 - Al2O3✓ Correct
2)CaO - Al2O3 -MgO
3)SiO2 - Al2O3 - AlCl3
4)CaO - SiO2 - AlCl3
Cement is primarily composed of calcium oxide (CaO), silicon dioxide (SiO2), and aluminium oxide (Al2O3).
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