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प्रश्न
Write true or false for the following statement
The liquids are less viscous than the gases.
विकल्प
True
False
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उत्तर
False
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संबंधित प्रश्न
The temperature of a substance remains unaffected during its change of state.
The process of a gas converting directly into solid is called vaporization.
Give the molecular model for a solid and use it to explain why a solid has a definite volume and a definite shape.
Give a reason for the Pure substances have fixed melting or boiling points.
For the following statement, say whether it describes a solid, a liquid, or a gas.
Particles move about very quickly.
Multiple choice question.
The process by which a solid changes into a liquid is called
Multiple choice question.
Gases
Complete the statement given below by selecting the correct word.
The conversation of vapour into a liquid is called ____.
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 |
State the correct term from A, B, C, D, E, or F in List II which represents the change of state of matter or its relevant property from List I.
| List I | List II |
| 1. Solid 'X' to a Liquid 'X' | A: Condensation |
| 2. Liquid 'Y' to its vapour 'Z' | B: Vaporization |
| 3. 'Z' to 'Y' | C: Melting |
| 4. 'Y' to 'X' | D: Freezing |
| 5. The temperature at which 'Y' changes to 'Z' | E: Melting point |
| F: Boiling point |
