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प्रश्न
Answer the question put against the following constituents of air:
Nitrogen : Explain its significance for plants and animals.
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उत्तर
Plants convert nitrogen into protein. It is an important constituent of proteins, which are necessary for the growth of animals, plants and human beings. Plants convert nitrogen into proteins.
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संबंधित प्रश्न
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.
Name the following:
A process which removes carbon dioxide from the air.
Tabulate the various components of air, including the components with variable composition.
Why is air considered as a mixture?
Why is carbon-dioxide gas used to extinguish fire?
Classify the following.
( Dog, Cat, coconut tree, monkey, brinjal plant, papaya plant)
| Things which give out oxygen | Things which give out carbon dioxide |
Write the percentage of the gases present in air.
What is not true about air?
Make sentences using the given set of words.
99%, oxygen, nitrogen, air, together
