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प्रश्न
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.
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उत्तर
Diffusion is the process by which the smell of a lighted incense stick spreads in the entire room.
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संबंधित प्रश्न
If the fish is being fried in a neighbouring home, we can smell it sitting in our own home. Name the process which brings this smell to us.
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.
Which of the following diffuses fastest and which the slowest?
Solid, Liquid, Gas Give reasons for your answer.
Name the three states of matter. Give one example of each.
Explain why, when a bottle of perfume is opened in a room, we can smell it even from a considerable distance.
Explain why, diffusion occurs more quickly in a gas than in a liquid.
Why does a gas exert pressure?
______ is not affected by gravity.
How does the substance of gaseous particles change to a liquid state?
Comment upon the following:-
filling a gas container
