Advertisements
Advertisements
प्रश्न
Name two gases which are supplied in compressed form in homes and hospitals.
उत्तर
The two gases which are supplied in compressed form are:
- LPG (Liquefied petroleum gas) in homes and
- Oxygen in hospitals.
APPEARS IN
संबंधित प्रश्न
Give reasons:
A gas fills completely the vessel in which it is kept.
Give reasons:
A gas exerts pressure on the walls of the container.
Give a reason for the following observation.
We can get the smell of perfume sitting several metres away.
A bottle of perfume was opened in a room. The smell of its vapours spread in the entire room. Name the property of gases which is responsible for this behaviour of perfume vapours.
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.
Which of the following diffuses fastest and which the slowest?
Solid, Liquid, Gas Give reasons for your answer.
Why do gases have neither a fixed shape nor a fixed volume?
Explain how, the smell of food being cooked in the kitchen reaches us even from a considerable distance.
Why does a gas exert pressure?
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.
