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    Question

    Lactic acid is a:

    A.

    Two-carbon molecule

    B.

    One-carbon molecule

    C.

    Four-carbon molecule

    D.

    Three-carbon molecule

    Correct option is D

    Lactic acid is a: - Three carbon molecules 

    Lactic acid (C₃H₆O₃) is an organic acid contains three carbon (C) atoms. It is a three-carbon organic acid, with the chemical structure CH₃-CHOH-COOH  

    • Two carbon molecules - Ethane
    • One carbon molecule - Methane 
    • Four carbon molecule-Butane

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