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प्रश्न
Fill in the blank
All the molecules of a substance are .............
उत्तर
All the molecules of a substance are identical.
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संबंधित प्रश्न
Fill in the blank:
The molecules are made up of ________
Fill in the blank
Water boils at ______
Write whether the following statement are true or false.
A gas has no free surface.
Write true or false for each statement. Rewrite the false statement correctly.
Solids and liquids can flow.
What do you mean by inter-molecular spacing?
What is volume?
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.
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 |
Write scientific reason.
Lemon sharbat has a sweet, sour and salty taste and it can be poured in a glass.
