HomeEngineeringMain constituent of phosphate rock is 3629. Main constituent of phosphate rock isBy Admin / September 7, 2025 Ammonium phosphate Flour apatite Calcium fluoride Calcium phosphate ✅ 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