6th Class Science Air Around us

  • question_answer 8)
    What is the composition of air?

    Answer:

    Air is a mixture of gases, water vapour and dust particles. Largely, it consists of (i) Nitrogen (78.09%) (ii) Oxygen (20.95%) (iii) Carbon dioxide (0.03 – 0.04%) (iv) Other gases like helium, hydrogen, etc and water vapour, dust particles and smoke particles.  


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