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Colloidal solution appear to be hemogeneous but it heterogeneous. Explain

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ANSWER:

Colloidal solution appears to be HOMOGENEOUS but actually it is heterogenous. This happens due to a effect called as Tyndall effect.

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  • Size of colloidal particles is so SMALL that we cannot SEE it with the naked eyes.

  • Here, these particles can easily scatter a beam of visible light.

  • So, this scattering of a beam of light is called the Tyndall effect.

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