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    Question

    Which among the following is NOT a property of

    colloids?
    A Colloid cannot scatter a beam of light passing through it. Correct Answer Incorrect Answer
    B A colloid is a heterogeneous mixture. Correct Answer Incorrect Answer
    C They do not settle down when left undisturbed. Correct Answer Incorrect Answer
    D Due to too small size, individual particles cannot be seen with naked eyes. Correct Answer Incorrect Answer

    Solution

    Colloids are capable of scattering a beam of light passing through them. This phenomenon is known as the Tyndall effect. When a beam of light passes through a colloid, it gets scattered by the colloidal particles, making the path of the light visible.

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