HomeEngineeringA well oxidized sewage contains nitrogen mainly as___________________? 324. A well oxidized sewage contains nitrogen mainly as___________________?By Admin / September 7, 2025 A. Nitrates B. Nitrites C. Free ammonia D. 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