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प्रश्न
Define Molecule.
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उत्तर
A molecule is the smallest part of a compound that exists independently.
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संबंधित प्रश्न
Define: Gas.
Differentiate between the following.
Atoms and Molecules .
For the following statements, say whether it describes a solid, a liquid or a gas.
Particles are far apart and move in all directions
Name the phenomenon which causes the Formation of water vapour from water is
A substance which can change its state
Select the correct alternative
The molecules ____________
What do you mean by inter-molecular spacing?
Write your observation and conclusion for the following:
When a small stone is gently dipped into a glass filled with water.
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 |
