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प्रश्न
State whether the following statement is ‘true’ or ‘false’. If false write the correct statement.
The mesosphere in the atmosphere, contains most of the air, fit for respiration
विकल्प
True
False
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उत्तर
False.
Correct statement: The troposphere in the atmosphere, contains most of the air, fit for respiration.
संबंधित प्रश्न
What do you understand by the term polluted air?
Give reason:
Mountaineers and divers carry oxygen cylinders with them.
Fill in the blanks
Oxygen is used in ___________the food to get _______.
Fill in the blank
The reddish-brown powder on the surface of iron nails exposed to air and moisture is called _____.
What is the percentage of nitrogen in air?
Why do we see the sky and air clear and clean after rainfall?
Match the following
| 1. | Moving Air | Photosynthesis |
| 2. | Layer in which we live | Troposphere |
| 3. | Stratosphere | Wind |
| 4. | Oxygen | Ozone layer |
| 5. | carbon-di-oxide | Combustion |
Soda bottle bursts sometimes when it is opened during summer. Why?
Nitrogen is about two times more soluble in water than oxygen.
The solid form of CO2 is called dry ice which undergoes condensation.
