A. Boiling B. Adding potassium permanganate C. Adding sulphuric acid D. Phenol-di-sulphuric acid
Home/Civil Engineering (MCQs)/Waste Water Engineering/The presence of free ammonia in sewage, is detected by_____. Waste Water Engineering The presence of free ammonia in sewage, is detected by_____. A. Boiling B. Adding potassium permanganate C. Adding sulphuric acid D. Phenol-di-sulphuric acid Answer: Option A. Explanation: No answer description available for this question. Show AnswerDiscussion
