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    What level of SO₂ is used in the preservation through canning?
    Question

    What level of SO₂ is used in the preservation through canning?

    A.

    0.5%

    B.

    0.35%

    C.

    1.0%

    D.

    0.035%

    Correct option is D


    The appropriate level of SO₂ for preservation through canning is 0.035%. This concentration ensures that microbial growth is inhibited while maintaining the safety and quality of the canned product.

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