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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
What was the ancient belief regarding the nature of matter ?
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 |
Fill in the blank:
_____________ discovered the oxygen gas.
Name the processes which maintain the balance between oxygen and carbon dioxide in the air. How is it done?
How is air useful to scooters and cars.?
Fill in the blank
Although we cannot see air, we can ___it.
Tick (√) the correct alternative from the choice given for the following statement.
Air pollution is due to the
Tick (√) the correct alternative from the choice given for the following statement.
Which of the following is not a greenhouse gas?
A mixture has a variable composition. Give three other reasons why air is considered a mixture and not a compound.
Cool and soothing wind: Breeze.
uproot trees wind: ______.
