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प्रश्न
Fill in the blank:
The change of water vapour into water is called ......................
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उत्तर
The change of water vapour into water is called condensation.
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संबंधित प्रश्न
What is volume ?
Fill in the blank:
Water is a matter because it has mas and occupies....................
Write whether the following statement is true or false.
If the container in which a gas is collected has an opening, the gas will flow out and spread itself indefinitely.
Which of the following is a property of the liquids ?
- they can flow
- they are malleable
- they have a definite shape
- they are rigid
Give reason Electricity is not considered matter .
Which single term is used to describe the mixing of copper sulphate and water kept in a beaker, on its own?
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?
Give reasons for the following:
Sugar can be distinguished from talcum powder using water.
Differentiate the general properties of solids, liquids and gases in the form of a table — with reference to volume.
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 soldification, the inter-particle space __________ gently.
