HomeEngineeringCement mainly contains 4984. Cement mainly containsBy Admin / September 7, 2025 CaO, SiO₂, Al2O₃ MgO, SiO₂, K₂O Al2O₃, MgO, FE₂O₃ CaO, MgO, K₂O ✅ The correct answer is option A.
1. A fire tube boiler is limited to a maximum steam pressure of about __________ kg/cm². Leave a Comment / Basic Chemical Engineering MCQs, Chemical Engineering, Engineering / By Admin
2. Transformer cores are normally made from Leave a Comment / Basic Chemical Engineering MCQs, Chemical Engineering, Engineering / By Admin