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प्रश्न
Describe a simple experiment with the help of a diagram to show that Air is highly compressible
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उत्तर
Air is highly compressible
- A leak-proof syringe filled completely with air only (i.e. empty) is taken.
Observation: On pressing the piston of the syringe, the piston moves inwards. Air (gas) inside the syringe has maximum inter-molecular space and is highly compressible.
Conclusion: Air is highly compressible.
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 |
Fill in the blank:
_____________ discovered the oxygen gas.
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Define rusting?
Tick (√) the correct alternative from the choice given for the following statement.
Rust is
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Explain Lavoisier’s experiment which provided evidence to the discovery of components in air.
Draw a neat labelled diagram for the following experiment.
To prepare oxygen in the laboratory from hydrogen peroxide and a catalyst.
The layer of air around the earth is known as ______.
