HomeEngineeringLime contains about 90% CaO. Percentage CaO present in limestone is about 720. Lime contains about 90% CaO. Percentage CaO present in limestone is aboutBy Admin / September 6, 2025 A. 25 B. 50 C. 70 D. 80 ✅ The correct answer is option B.
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