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JEE Main & Advanced JEE Main Online Paper (Held on 9 April 2013)

  • question_answer
                    The migration of dispersion medium under the influence of an electric potential is called:                  JEE Main Online Paper (Held On 09 April 2013) 

    A)                 Catachresis                                        

    B)                 Electro osmosis                

    C)                 Electrophoresis                

    D)                        Sedimentation                

    Correct Answer: B

    Solution :

                    Electroosmotic flow is caused by the coulomb force induced by an electric field on net mobile electric charge in a solution when an electric field is applied to the fluid the net charge in the electrical double layer (a layer of mobile ions forms in the region near the interface) is induced to move by the resulting Coulomb force.                


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