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प्रश्न
State and explain two ways by which air gets polluted in nature.
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उत्तर
Air gets polluted in nature by following ways :
- During forest fire, a large amount of carbon particles (smoke) and carbon-monoxide pollute the air.
- When volcanoes erupt, a huge amount of ash and sulphur-dioxide is added in the air as pollutants.
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संबंधित प्रश्न
Fill in the blanks :
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Fill in the blank by choosing the correct word from the given list.
List: oxygen, carbonic, suIphur dioxide gas, precipitation, helium
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Write ‘True’ or ‘False’ in front of following statement.
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Tick (√ ) the most appropriate answer.
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Draw a neat labelled diagram for the method used in the above preparation.
In the laboratory preparation of oxygen from hydrogen peroxide answer the following:
Name the catalyst used in the preparation and state it’s function.
Name the following:
The gas required for both combustion and rusting.
In Rockets, along with fuel, oxygen is also carried for combustion – why?
