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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
State two characteristic properties of a gas.
Explain why, diffusion occurs more quickly in a gas than in a liquid.
Why do gases diffuse very fast?
Why does a gas exert pressure?
When a gas jar full of air is placed upside down on a gas jar full of bromine vapours, the red-brown vapours of bromine from the lower jar go upward into the jar containing air. In this experiment :
When a gas jar containing colourless air is kept upside down over a gas jar full of brown-coloured bromine vapour, then after some time, the brown colour of bromine vapour spreads into the upper gas jar making both the gas jars appear brown in colour. Which of the following conclusion obtained from these observations is incorrect?
The space between ______ particles is the greatest one.
______ is not affected by gravity.
Comment upon the following:-
filling a gas container
Comment upon the following:-
shape
