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प्रश्न
What is meant by 'diffusion'? Give one example of diffusion in gases.
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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
Write your observation and conclusion for the following:
When one of the balloons suspended to the metre scale is punctured while other remains inflated ?
All kinds of matter
- occupy space and have definite mass
- have mass and definite shape
- can change their states
- have definite volume
Which of the following is a property of the liquids ?
- they can flow
- they are malleable
- they have a definite shape
- they are rigid
The state of matter which has no definite shape or volume is called
Give reasons for the following:
Sugar can be distinguished from talcum powder using water.
Give a reason for the following:
Liquids have one free upper surface only.
State in which of the following examples ie. a piece of wood, water, light gas is the Inter-particle space maximum.
Complete the statement by filling the blank with the correct word given below.
When inter-particle space increases, the inter-particle attractive force _______________.
200 ml of water is poured into a bowl of 400 ml capacity. The volume of water will be ______.
Among the following ______ is not a mixture.
