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प्रश्न
Give reason :
A red ink drop added to a small amount of water in a glass turns water red in some time.
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उत्तर
If we put a drop of red ink in a glass of water, its particles diffuse with particles of water slowly but continuously and the water turns red.
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संबंधित प्रश्न
Define the following term Element .
For the following statements, say whether it describes a solid, a liquid or a gas.
Particles are quite close together
Describe a simple experiment to illustrate that molecules are not at rest, but they constantly move.
Name the smallest particle from which matter is made up.
What is the relation between intermolecular space and intermolecular force?
Give two examples.
Liquid element
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 |
Fill in the blank:
Matter made up of one kind of particle is said to be _________.
Write scientific reason.
Lemon sherbat has sweet, sour and salty taste and it can be poured in a glass.
Write scientific reason.
Lemon sherbat has sweet, sour and salty taste and it can be poured in a glass.
