11th Class Chemistry States of Matter Question Bank 11th CBSE Chemistry States of Matter

  • question_answer   \[C{{O}_{2}}\] is heavier than \[{{O}_{2}}\] and \[{{N}_{2}}\] gases present in the air but it does not form the lower layer of the atmosphere. Why?

    Answer:

                    Gases possess the property of diffusion which is independent of the force of gravitation. Due to diffusion, the gases mix into each other and remain almost uniformly distributed in the atmosphere.


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