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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
Fill in the blank:
The process in which a solid directly changes into a gas is called ....................
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The temperature at which a liquid starts changing into its vapour state is ______.
For the following statement, say whether it describe a solid, a liquid or a gas.
Particles are quite close together.
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Air is a matter because it has ________ and _______ and it can be _________
If an object weighs 6 kg on earth. What will be its weight on moon ?
Give reason
A red ink drop added to small amount of water in a glass turns water red in some time.
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Water is a matter because it has mass and occupies _______
When sugar is dissolved in water, there is no increase in the volume. Which characteristic of matter is illustrated by this observation?
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 |
Select the correct answer from A, B, C, D & E for the statement given below:
The state of matter, where the inter-particle attraction between particles is maximum.
