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प्रश्न
Define interconversion of states of matter. What are the two factors responsible for the change of states of matter?
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उत्तर
The process by which matter changes from one state to another and back to original state, without any change in its chemical composition is called interconversion state of matter.
Two factors responsible for change of state of matter are: change in
(1) Temperature (2) Pressure
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संबंधित प्रश्न
Which of the following are matter?
Chair, air, love, smell, hate, almonds, thought, cold, lemon water, smell of perfume.
Fill in the blank:
Liquids have a definite ............
For the following statement, say whether it describes a solid, a liquid or a gas.
Particles are far apart and move in all directions.
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
Which of the following is a property of the liquids ?
- they can flow
- they are malleable
- they have a definite shape
- they are rigid
If an object weighs 6 N on earth what will be its weight on moon. What will be the change in its mass?
Give reasons for the following:
Water on freezing turns into ice.
Complete the blank with reference to interconversion of matter on the basis of kinetic theory-with the word ‘increase’, ‘decreases’, ‘gain’, ‘lose’, or ‘overcome’ in the following case.
During sublimation, the inter-particle attraction is _______________.
Match the following.
| Property | Example |
| Breaks easily (Brittle) | Metal pan |
| Bends readily | Rubber band |
| Can be stretched easily | Cotton wool |
| Gets compressed easily | Mud pot |
| Gets heated readily | Plastic wire |
