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Explain the phenomenon of Brownian movem...

Explain the phenomenon of Brownian movement giving reasons for the occurrence of this phenomenia.

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Brownian movement: This is a kinetic property of colloidal solution.
When a colloidal solution is examined by ultramicroscope, the colloidal particle are seem to be moving in a rapid rig-zag motion. This rapid motion of colloidal particles is called Brownian movement. This motion is due to unequal bombardment of colloidal particles by molecules of dispersion medium. Smaller the colloidal particles the more rapid is the Brownian movement.
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