HomeEngineeringThe main constituent of bones is 798. The main constituent of bones isBy Admin / September 6, 2025 A. CaF₂ B. Ca₃(PO₄)₂ C. CaCO₃ D. CaCl₂ ✅ 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