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प्रश्न
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 |
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उत्तर
| List I | List II |
| 1. The constituent of air which is around 0.02% | D: Carbon dioxide |
| 2. The constituent of air which is inert or unreactive | A: Nitrogen |
| 3. The constituent of air which is non-combustible, but supports combustion. |
B: Oxygen |
| 4. A pollutant in air responsible for acid rain | C: Sulphur dioxide |
| 5. The main rare gas present in air. | E: Argon |
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संबंधित प्रश्न
What is greenhouse effect?
State two similarities and two differences between respiration and burning.
Mention five causes of air pollution.
What is meant by ozone depletion?
State four steps to be taken to control air pollution.
Write ‘true’ or ‘false for the following;
Air is a compound.
State what do you understand by the term ‘air’. Explain its importance to mankind.
A mixture has a variable composition. Give three other reasons why air is considered a mixture and not a compound.
Fill in the blank:
Nitrogen of the air is utilized by plants for formation of _____.
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.
