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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
    If some gelatin is mixed in colloidal solution of gold, then it does

    A)                 Coagulation of gold

    B)                 Peptization of gold

    C)                 Protection of gold sol

    D)                 Protection of gelatin

    Correct Answer: C

    Solution :

                    Some gelatin is mixed in colloidal solution of gold to form ppt of gold (peptization of gold). Because formation of layer on colloidal particle.


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