Composition of Air
Air is a mixture of gases
Air mainly consists of :
- Gases
- Water vapour
- Dust particles
Components of Air
Uses of Oxygen
- Breathing ( Respiration)
- Germination
- Burning ( Combustion)
- Rusting.
Uses of Carbon Dioxide
- Photosynthesis
- Preserve soft drinks
- To make fire extinguishers
- Used in baking
- Used in making dry ice.
Uses of Nitrogen
- Used by plants to make proteins
- Used to preserve semen
- It is taken in through the roots as nitrates. Leguminous plants are able to convert nitrogen to nitrates.
Uses of Inert Gases
- They include Argon, Neon, Helium and Krypton
- Used in electric bulbs and light tubes
- Used in coloured advertising signboards.
- Used in hot air balloons.