Question

Colloidal solution appear to be homogeneous but actually it is heterogeneous .Give justification

Answer 1

Answer:

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 .

Explanation:

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Answer 2

Answer: The particles of a colloid are uniformly spread throughout the solution. Due to the relatively smaller size of particles, as compared to that of a suspension, the mixture appears to be homogeneous. But actually, a colloidal solution is a heterogeneous mixture, for example, milk. 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 a beam of light is called the Tyndall effect .

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