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

  • question_answer
          Which one of the following is heavy water used in nuclear reactor?                      [CDS]

    A) Water having molecular weight 18 u

    B) Water having molecular weight 20 u

    C) Water at \[4{}^\circ C\] but having molecular weight 19u

    D) Water below the ice in a frozen sea

    Correct Answer: B

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