Advertisements
Advertisements
Question
What are the three states of matter ? Define each of them with two examples.
Advertisements
Solution
The three states of matter are solids, liquids and gases :
- Solids - A solid has a definite shape and definite volume.
Example – wood, stone, iron, ice etc. - Liquid - A liquid has a definite volume but not definite shape.
Example - water, juice, milk, oil, etc. - Gases - A gas neither has definite shape nor a definite volume.
Example - air, hydrogen, oxygen, watervapour etc.
APPEARS IN
RELATED QUESTIONS
Define of intermolecular force of attraction.
Give one difference between atoms and molecules.
Give reason:
We can walk through air.
Differentiate between the following.
Liquids and gases
Fill in the blank:
Molecules in a.............. are packed very closely.
Fill in the blank:
When a gas is cooled, its molecules.......... energy.
Write true or false for statement. Rewrite the false statement correctly.
The intermolecular space in a gas is almost negligible.
State the main postulate of the kinetic theory with special reference to Inter-particle space.
State the main postulates of the kinetic theory with special reference to – Inter-particle attraction.
State the main postulates of the kinetic theory with special reference to – Energy possessed by particles of matter.
