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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
Comment upon the following:
rigidity, compressibility, fluidity, filling a gas container, shape, kinetic energy and density.
Give reasons:
We can easily move our hand in air, but to do the same through a solid block of wood, we need a karate expert.
Name the three states of matter. Give one example of each.
State two characteristic properties of a gas.
When an incense stick (agarbatti) is lighted in one corner of a room, its fragrance quickly spreads in the entire room. Name the process involved in this.
Give reason for the following observation :
The smell of hot sizzling food reaches us even from a considerable distance but to get the smell from cold food, we have to go close to it.
Why do gases not have fixed shape?
Comment upon the following:-
rigidity
Which of the following is false for gases?
Which of the following is TRUE about gaseous state?
