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प्रश्न
Describe a simple experiment with the help of a diagram to show that Air occupies space
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उत्तर
Air occupies space
- Press an inverted glass
- Tilt the tumbler to one side, tumbler over the water.
Observation: On tilting the tumbler, bubbles of air are seen coming out. Water slowly enters the tumbler to take place of the trapped air in the tumbler.
Conclusion: Air occupies space (the space in the tumbler was occupied by air).
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 observeation balloons. | (b) Carbonic acid |
| 3. An acid formed by the dissolution of sulphur dioxide gas in water. | (c) Sulphuric acid |
| 4. An acid formed by the dissolution of carbon dioxide in water. | (d) Helium |
| 5. A gas vital for respiration. | (e) Nitrogen |
How is greenhouse effect produced?
Give two uses of the following component present in air:
carbon dioxide
Name the processes which maintain the balance between oxygen and carbon dioxide in the air. How is it done?
How is air useful to agriculture?
State what do you understand by the term ‘air’. Explain its importance to mankind.
Give a brief account of the discovery of air and the scientists involved.
Describe a simple experiment with the help of a diagram to show that Air is highly compressible
What will happen if the number of vehicles and factories in your surroundings increases?
Name the important scientists and their studies which led to the discovery of the components of air.
