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11th Class Chemistry States of Matter / पदार्थ की अवस्थाएँ - गैस एवं द्रव Question Bank 11th CBSE Chemistry States of Matter

  • question_answer
    Carbon dioxide is heavier than oxygen and nitrogen but it does not form the lower layer of the atmosphere. Explain.

    Answer:

                    The diffusion of the gases is quite independent of the gravitational pull by the earth. The molecules of carbon dioxide remain distributed throughout the atmosphere. Therefore, carbon dioxide does not form the lower layer of the atmosphere.


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