MGIMS WARDHA MGIMS WARDHA Solved Paper-2008

  • question_answer
    When a sulphur sol is evaporated sulphur is obtained. On mixing with water sulphur sol is not formed. The sol is

    A)  lyophilic                              

    B)  reversible

    C) hydrophobic     

    D) hydrophilic

    Correct Answer: C

    Solution :

    Hydrophobic sol are irreversible in nature. They have no affinity between the dispersed phase and the dispersion medium\[({{H}_{2}}O)\]. Further once precipitated, they do not form the colloidal sol by simple addition of water.


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