HomeEngineeringAlum as a coagulant is found to be most effective when pH range of water is______________? 1494. Alum as a coagulant is found to be most effective when pH range of water is______________?By Admin / September 7, 2025 A. 2 to 4 B. 4 to 6 C. 6 to 8 D. 8 to 10 ✅ The correct answer is option C.
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