HomeEngineeringHeating of orthophosphoric acid to about 900°C, produces 3781. Heating of orthophosphoric acid to about 900°C, producesBy Admin / September 7, 2025 Metaphosphoric acid Pyrophosphoric acid No change in it None of these ✅ 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