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प्रश्न
Answer the question put against the following constituents of air :
Water vapours : Explain their role in modifying the earth’s climate.
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उत्तर
Water vapour determine the earth’s climate conditions. It causes rain. It controls the rate of evaporation from the bodies of plants and animals.
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संबंधित प्रश्न
Statement given below is incorrect. Write the correct statement :
Carbon dioxide gas allows the earth to radiate out heat rapidly.
Tick (√) the most appropriate answer.
The presence of water vapour in air is essential for :
Fill in the blank space by choosing the correct word from the given list.
List: sulphurous, nitric acid, red lead oxide paint, oxygen, phosphoric
Sulphur dioxide gas dissolves in water to form ___________ acid.
Give reason:
Mountaineers and divers carry oxygen cylinders with them.
Write ‘true’ or ‘false for the following;
Carbon dioxide is given out during photosynthesis
Write ‘true’ or ‘false for the following;
The composition of air was discovered by Lavoisier.
What is the percentage of nitrogen in air?
Whales come up to the water surface to breathe in oxygen.
Give the components present in the air with a percentage?
Match the following
| 1. | Oxygen | a. | Carbon dioxide |
| 2. | Azote | b. | Nitrogen |
| 3. | Solvay process | c. | Vital life |
| 4. | Gun powder | d. | No life |
