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प्रश्न
What does the diffusion of gases tell us about their particles?
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उत्तर
The diffusion of gases tells us that:
- Matter consists of tiny particles, that have space between them.
- The particles of matter are in constant motion.
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संबंधित प्रश्न
The mass per unit volume of a substance is called density.
(density = mass/volume).
Arrange the following in order of increasing density-
air, exhaust from chimneys, honey, water, chalk, cotton and iron.
Tabulate the differences in the characteristics of states of matter.
Name the physical state of matter which can be easily compressed.
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.
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.
Name the three states of matter. Give one example of each.
State two characteristic properties of a gas.
Explain how, the smell of food being cooked in the kitchen reaches us even from a considerable distance.
Comment upon the following:-
density
2 litre He gas at 2 atm and 300 K is inserted into a 4 litre rigid container containing N2 at 600 K and 4 atm. Finally mixture is maintained at 600 K temperature. The final pressure of gaseous mixture would be ______ torr.
