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What is Brownain movement ? What is the ...

What is Brownain movement ? What is the cause for it ?

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The Zigzag motion of colloidal particles in the dispersion medium is known as Brownian movement.
The colloidal particles are in constant hit with the molecules of the dispersion medium. Hence they get kinetic energy and more in random way.
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Knowledge Check

  • The cause of Brownian movement is:

    A
    heat changes in the liquid state
    B
    conventional currents
    C
    the impact of molecules of the dispersion medium on the colloidal particles
    D
    attractive forces between the colloidal particles and molecules of dispersion medium.
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