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The Brownian motion is due to 

Option: 1

Temperature fluctuation within the liquid phase


Option: 2

Attraction and repulsion between the charges of the colloidal particles


Option: 3

Impact of molecules of the dispersion medium on the colloidal particles


Option: 4

connective currents


Answers (1)

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As we learned

Brownian Movement

When colloidal solutions are viewed under a powerful ultramicroscope, the colloidal particles appear to be in a state of continuous zig zag motion all over the field of view. This is known as brownian movement.

The Brownian movement has been explained to be due to the unbalanced bombardment of the particles by the molecules of the dispersion medium.

Hence, the correct answer is Option (3)

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rishi.raj

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