JEE Main & Advanced Chemistry Alkali Metals Question Bank Alkali Metals

  • question_answer Which one of the following is used as a disinfectant in water treatment [NDA 1999]

    A) Alum

    B) Charcoal

    C) Kieselguhr

    D) Potassium permanganate

    Correct Answer: D

    Solution :

    Not Available

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