A. Alum B. Charcoal C. Kieselguhr D. Potassium permanganate Submitted by: Toheed Ahmed
Which one of the following is used as a disinfectant in water treatment? Everyday Science Mcqs Leave a comment 42 Views A. Alum B. Charcoal C. Kieselguhr D. Potassium permanganate AnswerAnswer D. Potassium permanganate Submitted by: Toheed Ahmed