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प्रश्न
Name two air pollutants which cause global warming.
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उत्तर
Two air pollutants that cause global warming are:
- CARBON DIOXIDE (CO2)
- METHANE (CH4)
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संबंधित प्रश्न
Match the statements in Column A, with those in Column B.
| Column A | Column B |
| 1. Largest Constituent of air, which dilutes the activity of oxygen. |
(a) Oxygen |
| 2. A gas used for filling weather observation balloons. | (b) carbon acid |
| 3. An acid formed by the dissolution of sulphur dioxide gas in water. | (c) Sulphur acid |
| 4. An acid formed by the dissolution of carbon dioxide in water. | (d) Helium |
| 5. A gas vital for respiration. | (e) Nitrogen |
Why can’t we see air?
Fill in the blank
Air is a ______ of gases
What is meant by the term ‘atmosphere’? State the role played by the atmosphere for the survival of mankind.
What will happen if the number of vehicles and factories in your surroundings increases?
Match the statements in List I with the correct answer from List II.
| List I | List II |
| 1. The constituent of air which is around 0.02% | A: Nitrogen |
| 2. The constituent of air which is inert or unreactive | B: Oxygen |
| 3. The constituent of air which is non-combustible, but supports combustion. |
C: Sulphur dioxide |
| 4. A pollutant in air responsible for acid rain | D: Carbon dioxide |
| 5. The main rare gas present in air. | E: Argon |
Complete the statement given below by filling in the blank with the correct word/s from the word/s given below
____________ is an example of a pollutant present in the air.
What should be done if the clothes of a person catch fire accidentally? Why?
Air has no ______ & ______.
Make sentences using the given set of words.
Air, wind, motion, called
