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JEE Main & Advanced Chemistry Surface & Nuclear Chemistry / भूतल और नाभिकीय रसायन Question Bank Colloids Emulsion, Gel and Their properties with application

  • question_answer
    Muddy water can be purified through coagulation using [J & K 2005]

    A)                 Common salt    

    B)                 Alums

    C)                 Sand     

    D)                 Lime

    Correct Answer: B

    Solution :

                    Alum is added to muddy water so as to destroy the bacteria as well as to coagulate the suspended impurities.


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