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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.
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उत्तर
The vapours of the fried fish travel from one place to another through the process of diffusion.
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संबंधित प्रश्न
Give a reason for the following observation.
Naphthalene balls disappear with time without leaving any solid.
Arrange the following substances in increasing order of forces of attraction between particles -
water, sugar, oxygen
Which of the following diffuses fastest and which the slowest?
Solid, Liquid, Gas Give reasons for your answer.
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.
Explain how, the smell of food being cooked in the kitchen reaches us even from a considerable distance.
Explain why, diffusion occurs more quickly in a gas than in a liquid.
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?
A student placed a gas jar containing air in the upside down position over a gas jar full of red-brown bromine vapours. He observed that the red-brown colour spread upwards into the jar containing air. Based on this observation, the student concluded that it is only the bromine vapour which moves up and diffuses into air in the upper jar, the air from the upper jar does not move down by diffusion into the lower jar containing bromine vapours. Do you agree with this conclusion of the student? Give reason for your answer.
The space between ______ particles is the greatest one.
Comment upon the following:-
compressibility
