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7th Class Science Respiration in Organisms Question Bank Respiration in organisms

  • question_answer
    Lime water turns milky due to the presence of which of the following gases?

    A)  Carbon monoxide

    B)  Carbon dioxide

    C)  Nitrogen

    D)  Oxygen

    Correct Answer: B

    Solution :

    When air is blown into the test tube containing lime water. The lime water turns milky due to \[\text{C}{{\text{O}}_{\text{2}}}\]gas.


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