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प्रश्न
Explain how, the smell of food being cooked in the kitchen reaches us even from a considerable distance.
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उत्तर
The smell of food cooked in the kitchen reaches us even from a considerable distance because the tiny particles of the vapour of food mix with the air and move continuously in all directions. This process is called diffusion.
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संबंधित प्रश्न
Tabulate the differences in the characteristics of states of matter.
Comment upon the following:
rigidity, compressibility, fluidity, filling a gas container, shape, kinetic energy and density.
Name the three states of matter. Give one example of each.
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 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 do gases diffuse very fast?
The space between ______ particles is the greatest one.
Comment upon the following:-
shape
Which of the following is false for gases?
