Gases in Air:
Nitrogen : used in food packaging,fertilizers and in silicon chip production as it is unreactive.
Oxygen: used in steel making , welding and in breathing apparatus in hospitals .
Gases in air and their uses
Gases in Air:
Nitrogen : used in food packaging,fertilizers and in silicon chip production as it is unreactive.
Oxygen: used in steel making , welding and in breathing apparatus in hospitals .
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