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    Question

    In oil refining, oil is

    A.

    De-odorized

    B.

    Bleached

    C.

    Both (A) and (B)

    D.

    None of the mentioned

    Correct option is C


    In oil refining, crude oil undergoes deodorization to remove odor-causing substances and bleaching to remove color pigments. Hence, both steps are part of refining.

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