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  1. Irradiation of water by ultraviolet light of suitable wavelength is commonly used for disinfection of water in

    2. A.
    food industry.
    B.
    municipal sewage treatment.
    C.
    petroleum refinery.
    D.
    iron & steel plant.

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    Workspace

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    Answer : Option A

    Explanation :

    No answer description available for this question.

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