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Question
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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Solution
| 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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