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Ranbir Rao

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  1. Asked: September 21, 2021In: Class 9 Science

    A suspension of chalk powder in water is filtered. The colour of filtrate thus obtained

    Ranbir Rao
    Added an answer on September 21, 2021 at 11:58 am

    (a) is colourless

    (a) is colourless

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  2. Asked: September 21, 2021In: Class 9 Science

    In a colloidal solution, the solute particles

    Ranbir Rao
    Added an answer on September 21, 2021 at 11:58 am

    (d) neither (a) nor (b)

    (d) neither (a) nor (b)

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  3. Asked: September 21, 2021In: Class 9 Science

    What happens when a beam of white light falls on a true solution?

    Ranbir Rao
    Added an answer on September 21, 2021 at 11:58 am

    (c) light passes through the solution without scattering.

    (c) light passes through the solution without scattering.

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  4. Asked: September 21, 2021In: Class 9 Science

    To prepare a colloidal solution of starch, we should

    Ranbir Rao
    Added an answer on September 21, 2021 at 11:58 am

    (c) add a pinch of starch to boiling water while stirring.

    (c) add a pinch of starch to boiling water while stirring.

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