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NEET Sample Paper NEET Sample Test Paper-10

  • question_answer
    The gold number of some colloidal solutions are given below
    Colloidal Solution Gold Number
    A 0.01
    B 2.5
    C 20
    The protective nature of these colloidal solutions follow the order:

    A)  \[C>B>A\]               

    B)  \[A>B>C\]

    C)  \[A=B=C\]               

    D)  \[B>A>C\]

    Correct Answer: B

    Solution :

    Smaller the value of the gold number, greater will be protecting power of the protective colloid. Therefore, protective nature of A, B and C is as:
    Colloidal Solution A    > B      > C
    Gold Number \[0.01\] \[2.5\] \[20\]


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