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प्रश्न
Under what conditions do solids, liquids and gases change their state.
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उत्तर
Matter can change from one state to another on changing temperature and pressure.
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संबंधित प्रश्न
Write your observation and conclusion for the following:
Ice is kept at room temperature.
Fill in the blank
_______ can flow.
True or false.
If the container in which a gas is collected has an opening, the gas will flow out and spread itself indefinitely.
Write true or false for each statement. Rewrite the false statement correctly.
Solids can be compressed easily.
For the following statements, say whether it describes a solid, a liquid or a gas.
Particles are far apart and move in all directions
Select the correct alternative
The diameter of a molecule is approximately
What is the approximate size of a molecule?
Name the smallest particle from which matter is made up.
Describe simple experiment to show that particles of matter have the intermolecular attraction
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 'Y' | A: Liquefaction |
| 2. Liquid 'Y' to its vapour 'Z' | B: Vaporization |
| 3. 'Z' to 'Y' | C: Melting |
| 4. 'Y' to 'X' | D: Solidification |
| 5. The temperature at which 'Y' changes to 'Z' | E: Melting Point |
| F: Boiling point |
