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प्रश्न
Fill in the blank
The temperature at which a liquid boils is called the ................. point of that liquid.
उत्तर
The temperature at which a liquid boils is called the boiling point of that liquid.
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संबंधित प्रश्न
The temperature of a substance remains unaffected during its change of state.
.............. process is just reverse of melting.
Write true or false for the following statement
The liquids are less viscous than the gases.
Fill in the blank
In a solid, the molecules ............................................ but they remain at their fixed positions.
Why do solids, liquids, and gases differ in their physical states?
Fill in the blank
......... can flow.
Give two examples for of the following
Substances which are rigid and not compressible.
Match the following
| Column A | Column B | ||
| a | Solids | 1 | Can flow in all directions |
| b | Sublimination | 2 | The temperature at which a liquid changes into its gaseous state |
| c | Boiling Point | 3 | Can have any number of free surfaces |
| d | Gases | 4 | Gaps between particles |
| e | Intermolecular space | 5 | Change of state from solid to gas |
Match the arrangement of atoms in the three states of matter in List I with the correct state in List II.
| List I | List II |
| 1. Arrangement of atoms is far apart | A: Solids |
| 2. Force of attraction between atoms is very strong | B: Liquids |
| 3. Movement of atoms is in any random direction | C: Gases |
| 4. Particles diffuse very easily | |
| 5. Particles show movement about their own position |
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 |
