HomeEngineeringRock phosphate constitutes mainly of 3619. Rock phosphate constitutes mainly ofBy Admin / September 7, 2025 Fluorapatite Di-calcium phosphate Mono-calcium phosphate Di-ammonium phosphate ✅ 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