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प्रश्न
Describe a simple experiment with the help of a diagram to show that Air has mass
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उत्तर
Air has mass
- An inflated balloon is placed on one side of the scale.
Observation: It is seen that the scale moves towards one side. It moves on the side on which the inflated balloon was placed.
Conclusion: Air has mass.
संबंधित प्रश्न
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?
Name two air pollutants which cause acid rain.
State what do you understand by the term ‘air’. Explain its importance to mankind.
State whether the following statement is true or false.
The pressure exerted by air is called atmospheric pressure.
Name the important scientists and their studies which led to the discovery of the components of air.
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 |
What should be done if the clothes of a person catch fire accidentally? Why?
Which of the following statements is incorrect?
