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AIR - Coggle Diagram
AIR
USES
The noble gases are used in many applications, e.g. helium is used to fill balloons, argon is used in tungsten light bulbs, krypton is used in lasers for eye surgery
Oxygen is used in steel making, welding and in breathing apparatus
Nitrogen is used in food packaging, the production of ammonia and in the production of silicon chips
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COMMON AIR POLLUTANTS
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sulfur dioxide
source
Combustion of fossil fuels containing sulfur compounds. Power stations are a major source of sulfur dioxide
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lead compounds
source
old water pipes, old paints, petrol in some kinds of racing cars and from very old engines. They are released during
the combustion of leaded fuels.
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composition of clean, dry air
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other gases, including carbon dioxide and argon, make up 1% of air
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