7th Class Science Acids, Bases and Salts Question Bank Acids, Bases and Salts

  • question_answer 17)  .................. is present in sour milk-

    A) Glycolic add               

    B) Lactic acid

    C) Citrus add      

    D) Tartaric acid

    Correct Answer: B

    Solution :

    Sour milk contains lactic acid.

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