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Uttarakhand PMT Uttarakhand PMT Solved Paper-2010

  • question_answer
    The zig-zag motion of colloidal particles was first observed by

    A)  John Tyndall    

    B)  Robert Brown

    C)  Zsigmondy     

    D)  Ostwald

    Correct Answer: B

    Solution :

     The zig-zag motion of colloidal particles was first observed by Robert Brown.


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