Which of the following is/are used as disinfectant of water?

(a) Ozone
(b) Chlorine dioxide
(c) Chloramine
(d) All of the above

Anurag Mishra Professor Asked on 21st March 2016 in General Knowledge.
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    Answer: (d) All of the above 

    Following chemicals are used for disinfectant of water –

    1. Chlorine(Cl2)
    2. Chlorine dioxide  (ClO2)
    3. Hypo chlorite (OCl)
    4. Ozone  (O3)
    5.  Halogens: bromine (Br2), iodine (I)
    6.  Bromine chloride (BrCl)
    7.  Metals: copper (Cu2+), silver (Ag+)
    8.  Kaliumpermanganate (KMnO4)
    9.  Fenols
    10.  Alcohols
    11.  Soaps and detergents
    12.  Kwartair ammonium salts
    13.  Hydrogen peroxide
    14.  Several acids and bases
    Anurag Mishra Professor Answered on 21st March 2016.
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