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7th Class Science Acids, Bases and Salts / अम्ल, क्षार एवं लवण Question Bank Self Test-4

  • question_answer
    Hydrochloric acid is the concentrated acid. Which one of the following organs secretes hydrochloric acid in the human body?

    A)  Eyes

    B)  Ears          

    C)  Heart

    D)  Stomach

    E)  None of these

    Correct Answer: D

    Solution :


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