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प्रश्न
How do the solids, liquids, and gases differ in their following properties.
(a) Size
(b) Shape
(c) Density
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उत्तर
| Solids | Liquids | Gases | |
| Size | They have a definite size | Indefinite | Indefinite |
| Shape | They have definite Shape | Indefinite | Indefinite |
| Density | Highly dense | Less dense than solids | Less denser than liquids and solids |
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संबंधित प्रश्न
State three properties of molecules of a matter.
Fill in the blank
The molecular motion in liquid and gas is in ................. path.
Select the correct alternative
The solids are
Give the molecular model for a solid and use it to explain why a solid has a definite volume and a definite shape.
What do you mean by the change of state of matter?
Give a reason for the Gases can be compressed easily.
Give a reason for the Pure substances have fixed melting or boiling points.
Fill in the blank
Water boils at .............
Write whether the following statement is true or false.
The intermolecular force of attraction is the weakest in gases.
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 |
