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KVPY Sample Paper KVPY Stream-SX Model Paper-1

  • question_answer
    The substances, P, Q and R have coagulation values 3, 0.6, 0.08 for a metal sol respectively. Their flocculating powers are in the ratio -

    A) 0.0267 : S: 1                 

    B) 1: 5: 37. 5

    C) 0.08 : 0.6 : 3                 

    D) 1: 02 : 0.0267

    Correct Answer: B

    Solution :

    [B] Flocculatoin power \[\propto \frac{1}{Coagulation\,\,value}\] \[\begin{matrix}    {} & P & : & Q & : & R  \\    {} & \frac{1}{3} & : & \frac{1}{0.6} & : & \frac{1}{0.8}  \\    Or & 1 & : & 5 & : & 37.5  \\ \end{matrix}\]


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