Advertisements
Advertisements
प्रश्न
State two characteristic properties of a gas.
Advertisements
उत्तर
The characteristics of gases are listed below:
- Gases have neither a fixed shape nor fixed volume.
- Gases can be compressed easily into smaller volumes.
APPEARS IN
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.
Naphthalene balls disappear with time without leaving any solid.
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.
When an incense stick (agarbatti) is lighted in one corner of a room, its fragrance quickly spreads in the entire room. Name the process involved in this.
A girl is cooking some food in the kitchen. The smell of food being cooked soon reaches her brother's room. Explain how the smell could have reached her brother's room.
Explain why, when a bottle of perfume is opened in a room, we can smell it even from a considerable distance.
Name two gases of air which dissolve in water by diffusion. What is the importance of this process in nature?
When a gas jar full of air is placed upside down on a gas jar full of bromine vapours, the red-brown vapours of bromine from the lower jar go upward into the jar containing air. In this experiment :
The space between ______ particles is the greatest one.
Comment upon the following:-
compressibility
