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प्रश्न
Differentiate the general properties of solids, liquids and gases in the form of a table — with reference to free surfaces.
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उत्तर
| Solids | They have any number (of free surfaces) |
| Liquid | They have one free surface |
| Gases | They have no free surfaces |
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संबंधित प्रश्न
Give reasons:
Solids cannot be compressed.
Write whether the following statement is true or false.
If the container in which a gas is collected has an opening, the gas will flow out and spread itself indefinitely.
Fill in the blank:
The quantity of matter in an object is called its _____
Write true or false for each statement. Rewrite the false statement correctly.
If the intermolecular space is more than the intermolecular force will be weaker.
When an incense stick (agarbatti) is lighted in one corner of a room, its fragrance spreads in the whole room quickly. Which characteristic of the particles of matter is illustrated by this observation?
Give a reason why –
Liquids have a definite volume but no definite shape.
Match the characteristics of the three states of matter in List I with their correct answer from List II.
| List I | List II |
| 1. Have no definite shape, volume or free surface | A: Solids only |
| 2. Are highly compressible and least rigid | B: Liquids only |
| 3. Have a definite volume, no definite shape and are slightly diffusable | C: Gases only |
| 4. Are not compressible and have no diffusability | D: Liquids and gases only |
| 5. Have mass and occupy space | E: Solids and gases only |
| F: Solids, liquids and gases |
‘Inter-particle attraction between atoms of gases is very weak’. State five properties of gases which correlate as a consequence of the weak inter-particle attraction between particles of gases.
With reference to the liquid state of matter – answer the following
How does the stored energy, have an effect on inter-particles space.
Complete the statement by filling the blank with the correct word given below.
In naphthalene, the inter-particle attraction is _______.
