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JEE Main & Advanced Chemistry Surface & Nuclear Chemistry / भूतल और नाभिकीय रसायन Question Bank Critical Thinking Surface Chemistry

  • question_answer
    Gold number gives [NCERT 1987; MNR 1987; UPSEAT 2002; Kurukshetra CET 2002; MP PMT 2004]

    A)            The amount of gold present in the colloid

    B)            The amount of gold required to break the colloid

    C)            The amount of gold required to protect the colloid

    D)            None of these

    Correct Answer: D

    Solution :

               Gold no. is a measure of protective power of a lyophillic colloid.


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