Advertisements
Advertisements
Question
Give a reason for the following observation.
We can get the smell of perfume sitting several metres away.
Advertisements
Solution
Perfume is also a volatile liquid. It immediately turns into vapour and diffuses into the air, which is why we can smell it even if we are sitting far away. This phenomenon occurs as a result of diffusion.
APPEARS IN
RELATED QUESTIONS
Tabulate the differences in the characteristics of states of matter.
Give reasons:
A gas exerts pressure on the walls of the container.
If the fish is being fried in a neighbouring home, we can smell it sitting in our own home. Name the process which brings this smell to us.
Give one example of diffusion of gases in a liquid.
Why does a gas exert pressure?
Comment upon the following:-
fluidity
Comment upon the following:-
filling a gas container
Comment upon the following:-
kinetic energy
Comment upon the following:-
density
Which of the following is TRUE about gaseous state?
