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प्रश्न
Multiple choice question.
Gases
विकल्प
cannot be compressed easily.
occupy the entire space of the container.
have definite shapes.
cannot flow.
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उत्तर
occupy the entire space of the container.
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संबंधित प्रश्न
The temperature of a substance remains unaffected during its change of state.
Boiling takes place at all temperatures.
Fill in the blank
The inter-molecular spacing is .......... in solids ........... in liquids and ............... in gases.
Fill in the blank
A solid exerts pressure .....................
Give the molecular model for a solid and use it to explain why a solid has a definite volume and a definite shape.
Explain the change of a liquid into a gas at a constant temperature.
Give a reason for the Pure substances have fixed melting or boiling points.
Write whether the following statement is true or false.
Intermolecular force of attraction is greater in gases than in liquids.
What are the two main types of matter?
Match the characteristics of the three states of matter in List I with their correct answer from List II.
| List I | List II |
| 1. Are highly rigid and have a definite shape | A: Solids and gases only |
| 2. Have no definite shape | B: Solids only |
| 3. Have definite volume but no definite shape | C: Liquids and gases only |
| 4. Are highly compressible and least rigid | D: Gases only |
| 5. Have no definite volume | E: Solid, liquids and gases |
| 6. Have no definite shape and volume |
F: liquids only |
| 7. Occupy space | G: Solids and liquids only |
| 8. Are not compressible | |
| 9. Are slightly compressible | |
| 10. Have mass |
