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प्रश्न
A bottle of perfume was opened in a room. The smell of its vapours spread in the entire room. Name the property of gases which is responsible for this behaviour of perfume vapours.
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उत्तर
When a bottle of perfume in opened, fragrance of perfume spreads in the whole room. This behaviour is due to larger spaces in between the tiny particles of gas and their random movements which leads to the process of diffusion.
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संबंधित प्रश्न
Tabulate the differences in the characteristics of states of matter.
Arrange the following substances in increasing order of forces of attraction between particles -
water, sugar, oxygen
Fill in the following blank with suitable words :
At room temperature, the forces of attraction between the particles of solid substances are ....................... then those which exist in the gaseous state.
State two characteristic properties of a gas.
Give two reasons to justify that Water is a liquid at room temperature.
Explain how, the smell of food being cooked in the kitchen reaches us even from a considerable distance.
Why does a gas exert pressure?
Why do gases not have fixed shape?
Comment upon the following:-
density
Which of the following is TRUE about gaseous state?
