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NEET Chemistry NEET PYQ-Surface Chemistry

  • question_answer
    The   method   usually   employed   for   the precipitation of a colloidal solution is: [AIPMT 2000]

    A) dialysis

    B)                                          addition of electrolytes

    C) diffusion through animal membrane

    D) condensation

    Correct Answer: B

    Solution :

    [b] On addition of electrolyte charge of colloidal particles will neutralise and hence coagulation or precipitation of colloidal solution will occur.


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