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प्रश्न
Differentiate the general properties of solids, liquids and gases in the form of a table — with reference to volume.
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उत्तर
| Solids | They have a definite volume |
| Liquid | They have a definite volume |
| Gases | They have no definite volume |
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संबंधित प्रश्न
Give two example of the following:
The substances which do not change their state on heating.
Give reason:
When an empty gas jar is inverted over a gas jar containing a coloured gas, the gas also spreads into the empty jar.
Fill in the blank:
Water is a matter because it has mas and occupies....................
Match the following
| Column A | Column B |
| (a) Solids | (1) Can flow in all directions. |
| (b) Sublimation | (2) The temperature at which a liquid changes into its gaseous state. |
| (c) Boiling point | (3) Any number of free surfaces. |
| (d) Gases | (4) Gaps between particles. |
| (e) Intermolecular space | ro(5) Change of state fm solid to gas. |
Give two examples of the following:
Substances which are rigid and not compressible.
There are large intermolecular gaps in
- water
- iron ball
- common salt
- air
Fill in the blank
Molecules in a ________ are packed very closely.
A piece of chalk can be broken into small particles by hammering but a piece of iron cannot be taken into small particles by hammering. Which characteristic of the particles of matter is illustrated by these observations?
With reference to the liquid state of matter – answer the following
How does the stored energy, have an effect on inter-particles space.
Air is not compressible.
