colloidal solutions appear to be homogeneous but actually it is heterogeneous.give justification for this statement

Because of the small size of colloidal particles, we cannot see them with naked eyes. But, these particles can easily scatter a beam of visible light .

This scattering of light is called Tyndall Effect as can be seen in (b)  colloidal solution and (a) is homogeneous solution.

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Collodial solutions appear to be homogenous but are hetrogenous as when a light beam is sent through the colloid it scatters andpass through it much.

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