States of matter

Question 1 Name three states of matter?

Question 2 Differentiate between three states of matter ?

Question 3 Give full form of LPG and CNG ?

Question 4 Why do gases exert more pressure than liquids ?

Question 5 Why gases are highly compressible ?

Question 6 Why liquids do not have fixed shape but fixed volume ?

Question 7 Why water is a liquid and iron rod is a solid ?

States Of Matter

Matter can be classified into 3 states:

states of matter

                 Solid                   Liquid                       Gases
1)They have fixed shape and volumeThey do not have fixed shape but have fixed volumeThey do not have fixed shape and volume
2)They cannot be compressedThey cannot be compressedThey can be compressed easily
3)They have high densityThey have moderate densityThey have low density
4)They do not flowThey flow easilyThey flow easily
5)They do not fill their containerThey do not fill their containerThey fill their container
6)The forces of attraction are strongThe forces of attraction are less strong than solidsThe forces of attraction are weak.


7)Kinetic energy is leastKinetic energy is more than solidsKinetic energy is maximum.
8)Particles are closely packedParticles are not close as in solidsParticles are much farther apart from one another.
9)ForEx: Chair,table,chalk,bookFor Ex:Water,petrol,cold drinksFor Ex:Oxygen,nitrogen,helium

Aquatic animals can breathe under water due to the presence of dissolved oxygen in water.

LPG-Liquified Petroleum Gas
CNG-Compressed Natural Gas
Gases have high compressibility.They can be compressed into very small volumes by applying large pressure.Due to its high compressibility,fairly large mass of gas can be put in a small metal cylinder by compression.Such gas cylinders can be easily transported from one place to another.

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