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10th Class Science Life Processes Question Bank Life Processes

  • question_answer
    What conclusion can be drawn from the given experiment?

    A) Exhaled air contains more oxygen than inhaled air.

    B) Inhaled air contains more carbon dioxide than exhaled air.

    C) Exhaled air contains more carbon dioxide than inhaled air.

    D) Exhaled air contains more nitrogen than inhaled air.

    Correct Answer: C

    Solution :

    Carbon dioxide gas turns lime water milky. So, air contains \[C{{O}_{2}}\].


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