States of Matter
States of Matter: Overview
This topic covers concepts, such as, States of Matter, Solid State, Diffusion of Solids & Compressibility of Gases etc.
Important Questions on States of Matter
Mention the factors on which the rate of diffusion of gases depends. Why are similar conditions of temperature and pressure necessary?

How do gases differ from solids and liquids?

Explain the statement 'Gases have neither a fixed shape nor a fixed volume'.

Why do we need to use a glass rod for stirring any solution and not spoon?

The percentage of oxygen, in air dissolved in water, is higher than the percentage of oxygen in ordinary air.


How is matter classified at micro level?

When swollen grains are put in concentrated sugar solution, what will happen to them? Also name the phenomenon.

Water can be stored in open container but not air. Explain why?


Why does a rubber get compressed?

Why do solids have any number of free surfaces and gases have no free surfaces at all?

Give reason:
A plastic bottle can be compress then why it is solid?

Differentiate between solids and liquids.

Do liquids fill their containers completely?

Sugar is a liquid or not. Comment.

Why solids have distinct boundaries?

Why do solids have fixed shape?

_____(solids/liquids) have distinct boundaries.

Which of the following state of matter has distinct boundaries?
