9th Class Science Matter in Our Surroundings Question Bank 9th CBSE Science Matter in Our Surroundings

  • question_answer
      Out of two gases carbon dioxide and methane  which gas would diffuse rapidly?

    Answer:

                      Lighter gases diffuse faster. Molecular mass of  =12 + 2 x 16 =  44 u Molecular mass of  =12 + 4 x 1 = 16u So, methane gas would diffuse faster.


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