Advertisements
Advertisements
Question
State two characteristic properties of a gas.
Advertisements
Solution
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
RELATED QUESTIONS
Which of the two diffuses faster : a liquid or a gas?
Give one example of diffusion of gases in a liquid.
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.
Explain why, when a bottle of perfume is opened in a room, we can smell it even from a considerable distance.
Why does a gas exert pressure?
A student placed a gas jar containing air in the upside down position over a gas jar full of red-brown bromine vapours. He observed that the red-brown colour spread upwards into the jar containing air. Based on this observation, the student concluded that it is only the bromine vapour which moves up and diffuses into air in the upper jar, the air from the upper jar does not move down by diffusion into the lower jar containing bromine vapours. Do you agree with this conclusion of the student? Give reason for your answer.
Comment upon the following:-
compressibility
Comment upon the following:-
shape
Explain why?
- A gas fills a vessel completely?
- Camphor disappears without leaving any residue.
Which of the following is TRUE about gaseous state?
