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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 reasons:
A gas fills completely the vessel in which it is kept.
Arrange the following substances in increasing order of forces of attraction between particles -
water, sugar, oxygen
Write the full forms of the following
- LPG
- CNG
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.
Give two reasons to justify that Water is a liquid at room temperature.
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:-
density
Two gases A and B having molecular weights 60 and 45 respectively are enclosed in a vessel. The wt. of A is 0.50 g and that of B is 0.2 g. The total pressure of the mixture is 750 mm. The partial pressure of the gases B is ______ mm Hg.
