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प्रश्न
Give two uses of the following component present in air:
carbon dioxide
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उत्तर
Carbon dioxide: Carbon dioxide is used by plants to prepare their food by photosynthesis. Dry ice (solid carbon - dioxide) is used as a refrigerant. Carbon dioxide is used to prepare fizzy drinks like soda water.
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संबंधित प्रश्न
Why can’t we see air?
Give two uses of the following component present in air:
oxygen
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Describe a simple experiment with the help of a diagram to show that Air has mass
Name the following.
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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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