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 what is the difference between solid , liquid , gas ?

Hi

@Shubham: Very good answer! Keep posting as your answers are helpful to other users in this forum!

@Suresh: A small addition from my side

 Solid, liquid and gas are the three states of matter. The following table lists the differences between these three states of matter.

Property

Solid

Liquid

Gas

Packing of particles

Particles are packed very close to each another.

Particles are packed less close to each other.

Particles are packed very far from each other.

Forces of attraction between the particles

Strongest

Weaker than solids

Negligible

Shape and volume

Fixed shape and fixed volume

No fixed shape but fixed volume

Neither fixed shape nor fixed volume

Compressibility

Negligible

Higher than solids

Highest

Rate of diffusion

Very low

Higher than solids

Highest

Density

Highest

Less than solids

Least

Kinetic Energy of particles

Very small

Higher than solids

Highest

Example

Ice

Water

Water vapour

 The figure below shows the arrangement of particles in these three states of matter. 

   

            Solid                Liquid                                      Gas  

 

 

 

 

 

 

Keep writing!

 Cheers!

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View Full Answer

Solid :- When atoms of any substance is very tightly packed, having no intermolecular space then that substance is called as solid substaces. 

- They are rigid in structure.

- Have definite structure and volume.

- Have high density.

Ex:- wood etc.

LIQUID :- When there is some intermolecular spaces between the atoms.

- They are fluid in nature.

- Don't have definite shape or volume.

- Occupy the shape of the container in which it is kept.

- Less density then solid and more density then liquid. 

Ex:- water

GAS :- When there is a large intermolecular space between the molecules.

- They are also fluid in nature.

- Have neither definite shape nor volume.

- Have leser densit then water.

Ex :- All atmospheric gases.

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 Solid are tigtly packed

liquid are less packed

gas are thelightest packed 

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 HAi

Some Characteristics of Gases, Liquids and Solids and the Microscopic Explanation for the Behavior
gasliquidsolid
assumes the shape and volume of its container 
particles can move past one another		assumes the shape of the part of the container which it occupies 
particles can move/slide past one another		retains a fixed volume and shape 
rigid - particles locked into place
compressible 
lots of free space between particles		not easily compressible 
little free space between particles		not easily compressible 
little free space between particles
flows easily 
particles can move past one another		flows easily 
particles can move/slide past one another		does not flow easily 
rigid - particles cannot move/slide past one another

 

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