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NEET Chemistry Surface & Nuclear Chemistry / भूतल और नाभिकीय रसायन Question Bank Self Evaluation Test - Surface Chemistry

  • question_answer
    The protecting power of lyophilic colloidal sol is expressed in terms of:

    A) coagulation value

    B) gold number

    C) critical miscelle concentration

    D) oxidation number

    Correct Answer: B

    Solution :

    [b] The lyophobic sols are less stable than lyophilic sols. The lyophilic sols are thus used to protect the lyophobic sols. This property of lyophilic sols is known as protective action of lyophilic sols which is represented by gold number.


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