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प्रश्न
Define: Gas.
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उत्तर
Giving two examples of type.
Gas : It is a state of matter which has only definite mass but no definite shape and volume. It takes up the shape of the container
e.g. – Carbon dioxide, oxygen, etc.
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संबंधित प्रश्न
Why are liquids and gases called as fluids.
Write true or false for the following statement
The inter-molecular forces are effective at all distances between the two molecules.
Select the correct alternative
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Write true or false for the statement. Rewrite the false statements correctly.
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Write true or false for the statement. Rewrite the false statement correctly.
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The intermolecular force is _______ in the particles of solid.
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Gaseous element
Particles of matter possess energy due to their random motion. Compare the particles in a solid, liquid and in gas with reference to the amount of kinetic energy possessed by each.
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 |
