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प्रश्न
Name the three states of matter. Give one example of each.
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उत्तर
The three states of matter and their examples are as follows:
- Solid: wood
- Liquid: water
- Gas: air
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संबंधित प्रश्न
Give reasons:
A gas exerts pressure on the walls of the container.
Name the physical state of matter which can be easily compressed.
Which of the two diffuses faster : a liquid or a gas?
State whether the following statement is true or false :
Red-brown bromine vapour diffuse into air in a gas jar but the colourless air molecules do not diffuse into bromine vapour.
What does the diffusion of gases tell us about their particles?
Why do gases diffuse very fast?
Name two gases of air which dissolve in water by diffusion. What is the importance of this process in nature?
Comment upon the following:-
fluidity
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.
