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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
Name and briefly explain four ways by which pollution of air caused by humans is minimised.
State a reason why there is a balance in the amount of carbon dioxide in the air, even though carbon dioxide is released into the atmopshere by various processes.
Name the following:
The component of air which is present more in industrial areas.
Tabulate the various components of air, including the components with variable composition.
What was the old name of nitrogen?
During respiration, carbon-di-oxide is exhaled out of the body through the ______.
How to show the presence of carbon-di-oxide in the air?
Nitrogen is about two times more soluble in water than oxygen.
A list of words is given in a box. Use appropriate words to fill up the blank in the following statement.
A weather cock shows the ______ in which the air is moving at that place.
Observe the picture given in Fig. carefully and answer the following questions.
Why is he putting a cover on his nose?
