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UPSC Chemistry Nuclear Chemistry / नाभिकीय रसायन Question Bank Atoms, Molecules and Nuclear Chemistry

  • question_answer
    1 u or 1 amu means

    A) 1/12th mass of C-12 atoms

    B) Mass of C-12 atom

    C) Mass of O-16 atom

    D) Mass of Hydrogen molecule

    Correct Answer: A

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