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प्रश्न
Which of the two diffuses faster : a liquid or a gas?
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उत्तर
Gases diffuse faster compared to liquids because the particles of gases have more space between them and have higher kinetic energy.
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संबंधित प्रश्न
Tabulate the differences in the characteristics of states of matter.
Name the three states of matter. Give one example of each.
Why do gases have neither a fixed shape nor a fixed volume?
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.
How does the substance of gaseous particles change to a liquid state?
Comment upon the following:-
shape
Explain why?
- A gas fills a vessel completely?
- Camphor disappears without leaving any residue.
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| Fig. I | Fig. II |
In figure-I, an air column of length ℓ1 is entrapped by a column of Hg of length 8 cm. In figure-II length of same air column at the same temperature is ℓ2. The `ℓ_1/ℓ_2` is:
(1 atm = 76 cm of Hg)
