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प्रश्न
What are the causes of air pollution?
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उत्तर
- When fuels burn, they produce sulphur dioxide, sulphur trioxide, nitrogen dioxide, and hydrogen sulphide when these gases mix with rainwater.
- They produce sulphuric and nitric acid. These acids mix with rain water to form acid rain and also caused by the industries and automobiles.
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संबंधित प्रश्न
Fill in the blank space by choosing the correct word from the given list.
List: oxygen, carbonic, suIphurUioxide gas, precipitation, helium
Dust particles help in the ________ of water vapour in air.
Tick (√) the most appropriate answer.
Which is not a polluting gas for the air?
Statement given below is incorrect. Write the correct statement :
Potassium nitrate on strong heating decomposes into potassium nitrite and nitrogen gas.
Define the following:
Combustion.
What are the two necessary conditions for rusting of iron?
Name the following:
The component of air which is present more in industrial areas.
Name the following:
A process which removes carbon dioxide from the air.
______ is the main component of air.
Air contains a small amount of CO2, Water vapour, and some other gases like ______, etc.
______ is necessary for all acids.
