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प्रश्न
Fill in the blank
When a gas is cooled, its molecules .............. energy.
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उत्तर
When a gas is cooled, its molecules loose energy.
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संबंधित प्रश्न
Boiling takes place at all temperatures.
The process of a gas converting directly into solid is called vaporization.
State three properties of molecules of a matter.
State three characteristics of molecules of matter.
How a liquid changes into its gaseous state? Explain?
State the general properties of a solid.
Fill in the blank
Liquids have a definite ............
Give two examples for of the following
Substances which are rigid and not compressible.
Select natural and man-made matter from the following list:
Wood, plastic, silk, medicines, detergents, coal, water, ceramic, cotton, glass, nylon, fruits.
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 |
