Advertisements
Advertisements
प्रश्न
Name the three states of matter and define them.
Advertisements
उत्तर
There are three states of matter
- Solid State : The molecules are very close to each other hence intermolecular spaces are small and intermolecular force is strong.
Hence solids have definite volume, rigid, retain definite shape and are incompressible.
- Liquids : The molecules are less closely packed have more intermolecular spaces than solid, less stronger forces than solids.
Hence liquids have definite volume but no definite shape. They take the shape of container in which they are put. - Gases: The molecules in the gases are for apart with weakest force of attraction. Hence gases have neither definite volume nor definite shape and compressible.
- Liquids : The molecules are less closely packed have more intermolecular spaces than solid, less stronger forces than solids.
APPEARS IN
संबंधित प्रश्न
Write whether the following statement is true or false.
There is no difference between evaporation and boiling.
A solid is a state of matter that has
- no definite shape.
- large intermolecuiar space.
- high intermolecuiar force of attraction.
- no definite volume.
Which of the following is a property of the liquids ?
- they can flow
- they are malleable
- they have a definite shape
- they are rigid
Fill in the blank
When a gas is cooled, its molecules ________ energy,
A piece of chalk can be broken into small particles by hammering but a piece of iron cannot be taken into small particles by hammering. Which characteristic of the particles of matter is illustrated by these observations?
What is meant by 'diffusion'? Give one example of diffusion in gases.
Name the three states of matter.
Differentiate the general properties of solids, liquids and gases in the form of a table — with reference to density.
Give a reason why solids and liquids co-exist at their melting points.
State in which of the following examples ie. a piece of wood, water, light gas is the Inter-particle space maximum.
