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3rd Class Science Sample Paper Science Olympiad Model Test Paper-12

  • question_answer
    Which one of the following options is correct, if we keep the given three components of air in increasing order according to their percentage in the air?

    A) Carbon dioxide. Nitrogen, Oxygen

    B) Nitrogen, Oxygen, Carbon dioxide

    C) Carbon dioxide, Oxygen, Nitrogen

    D) Oxygen, Carbon dioxide. Nitrogen

    E) None of these

    Correct Answer: C

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