Advertisements
Advertisements
Question
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.
Advertisements
Solution
The vapours of the fried fish travel from one place to another through the process of diffusion.
APPEARS IN
RELATED QUESTIONS
Tabulate the differences in the characteristics of states of matter.
Comment upon the following:
rigidity, compressibility, fluidity, filling a gas container, shape, kinetic energy and density.
Give a reason for the following observation.
We can get the smell of perfume sitting several metres away.
State whether the following statement is true or false :
Red-brown bromine vapour diffuse into air in a gas jar but the colourless air molecules do not diffuse into bromine vapour.
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.
Why does a gas exert pressure?
Look at the diagram on the right side. Jar A contains a red-brown gas whereas jar B contains a colourless gas. The two gas jars are separated by a galas plate placed between them
- What will happen when the glass plate between the two jars is pulled away?
- What name is given to the phenomenon which takes place?
- Name the brown gas which could be in jar A.
- Which is the colourless gas most likely to be present in jar B?
- Name one coloured solid and one colourless liquid which can show the same phenomenon.
A substance has neither a fixed shape nor a fixed volume. State whether it is a solid, a liquid or a gas.
Comment upon the following:-
filling a gas container
Which of the following is false for gases?
