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प्रश्न
What is meant by 'diffusion'? Give one example of diffusion in gases.
उत्तर
Diffusion: In Latin, the word “diffusion” means to “spread out”. Diffusion is the mixing of a substance with another substance due to the motion of its particles. It is one of the several transport phenomena that occur in nature. The spreading of the smell of perfume in the whole room is an example of diffusion.
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संबंधित प्रश्न
Fill in the blank:
The change of a solid into a liquid is called melting or................
Fill in the blank:
The temperature at which a liquid starts changing into its vapour state is ______.
Fill in the blank:
All matter is made up of tiny particles called..................
Name the phenomenon which cause the following change:
Conversion of ice into water.
Give two examples of the following:
Substances which do not change their states.
There are large intermolecular gaps in
- water
- iron ball
- common salt
- air
When a stone is dipped in a glass containing some water, the level of water rises but when a spoon of sugar is added to it and stirred, the water level does not rise?
What is mass ?
Explain the following :
When an incense stick is lighted in the corner of a room, its fragrance spreads quickly in the entire room.
State in which of the three states of matter:
Are the atoms or particles far apart
