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प्रश्न
Name two gases which are supplied in compressed form in homes and hospitals.
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उत्तर
The two gases which are supplied in compressed form are:
- LPG (Liquefied petroleum gas) in homes and
- Oxygen in hospitals.
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संबंधित प्रश्न
Comment upon the following:
rigidity, compressibility, fluidity, filling a gas container, shape, kinetic energy and density.
Give a reason for the following observation.
We can get the smell of perfume sitting several metres away.
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.
State two characteristic properties of a gas.
What does the diffusion of gases tell us about their particles?
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.
When a gas jar containing colourless air is kept upside down over a gas jar full of brown-coloured bromine vapour, then after some time, the brown colour of bromine vapour spreads into the upper gas jar making both the gas jars appear brown in colour. Which of the following conclusion obtained from these observations is incorrect?
______ is not affected by gravity.
Comment upon the following:-
compressibility
Comment upon the following:-
density
