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7th Class General Knowledge Miscellaneous / विविध Question Bank Science and Technology

  • question_answer
    Trimix is a breathing gas, consisting of three gases and is often used in deep commercial diving. These three gases are

    A)  Hydrogen, oxygen and helium

    B)  Carbon dioxide, nitrogen and oxygen

    C)  Oxygen, helium and nitrogen

    D)  Chlorine, argon and oxygen.

    Correct Answer: C

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