Advertisements
Advertisements
प्रश्न
Why do gases not have fixed shape?
Advertisements
उत्तर
- Gases possess more intermolecular space and less forces of attraction.
- They can move freely at any direction.
- They have the property of filling the entire part of a container by taking the shape of the container.
So, gases do not have fixed shape.
APPEARS IN
संबंधित प्रश्न
Give a reason for the following observation.
Naphthalene balls disappear with time without leaving any solid.
Give a reason for the following observation.
We can get the smell of perfume sitting several metres away.
Name two gases which are supplied in compressed form in homes and hospitals.
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.
State two characteristic properties of a gas.
Why do gases diffuse very fast?
The space between ______ particles is the greatest one.
Comment upon the following:-
compressibility
Comment upon the following:-
kinetic energy
 |
|
| Fig. I | Fig. II |
In figure-I, an air column of length ℓ1 is entrapped by a column of Hg of length 8 cm. In figure-II length of same air column at the same temperature is ℓ2. The `ℓ_1/ℓ_2` is:
(1 atm = 76 cm of Hg)
