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प्रश्न
Describe the major components of air pollution.
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उत्तर
Following are the major components of air pollution:
Sulphur dioxide, nitrogen oxide, carbon monoxide, hydrogen sulphide, hydrogen cyanides, hydrogen fluorides, chlorine, methane and ammonia. Pollutant vapours include unburnt hydrocarbons (benzene).
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संबंधित प्रश्न
Give one use for the following inert gase :
radon
Give one use for the following inert gase :
krypton
State one method by which :
- Oxygen is added to air
- Carbon dioxide is added to air
- Oxygen is removed from the air
- Carbon dioxide is removed from the air
How does oxygen and carbon dioxide remain nearly constant in the atmosphere?
Describe the causes and effects of air pollution.
State the utility of –
(a) Water vapour
(b) Rare or inert gases present in the air.
Tick the object which gives out water vapour.
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______ gas is filled in tyres of vehicles.
What is the mixture of air?
Name two example for wind instruments.
