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What is Brownian movement ?...

What is Brownian movement ?

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What causes Brownian movement in a colloidal solution?

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Assertion: The Brownian movement is due to the bombardment on colloidal particle by the molecules of dispersion midium which are in the constant motion like molecules in a gas. Reason: Brownian movement provides a visible proof of the random kinetic motion of molecules in a liquid.

Assertion : The values of colligative properties are of smaller order as compared to values shown by true solutions at same concentrations. Reason : Colloidal particles show Brownian movement .