Subject

    Daily Science

    Topic

    Daily Science

    Which of the following chemicals is useful in photography?

    ক)
    Aluminium hydroxide
    খ)
    potassium nitrate
    গ)
    Silver bromide
    ঘ)
    Sodium chloride

    Explanation

    - The chemical that is useful in photography is Silver bromide . -Silver bromide is a light-sensitive chemical that is used to coat photographic film and paper. When light hits silver bromide crystals, they are chemically changed. This change makes it possible to develop a latent image, which can then be fixed to create a permanent image.

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