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Components of air

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    What is it?
  •   Study   Slideshow
  • Which gas makes up 78% of air?
    Nitrogen
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  • Which components of air that causes rusting on iron objects?
    Oxygen
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  • Which components of air that is colourless and odourless?
    Nitrogen
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  • True or False : Oxygen is needed for breathing in living things.
    True
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  • Which gas in the air is a greenhouse gas?
    Carbon dioxide
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  • Which gas makes up 78% of air?
    Nitrogen
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  • What are the main components of air?
    Nitrogen, Oxygen, other gases
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  • It keeps the Earth warm, and plants needed during photosynthesis.
    Carbon dioxide
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  • What is the percentage of oxygen in the air?
    21%
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  • What is the percentage of OTHER GASES in the air?
    1%
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