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 48 Views A. Alum B. Charcoal C. Kieselguhr D. Potassium permanganate Answer D. Potassium permanganate Submitted by: Toheed Ahmed
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