Contents

Changes in States of Matter:

Matter changes state in various ways: Melting - changing from solid to liquid. Freezing - changing from a liquid to a solid. Vapourisation - changing from liquid to gas.


Matter can change from one state to another by
a) light   

b) pressure            

c) heat

d) matter

c

When solid gains heat, it converts into……..
a) liquid                                               

b) gas
c) another solid                   

d) both a and b

a
Comments :

D is the correct option. As because solid can also be changed into gas by the process of SUBLIMATION

by at 2025-04-03 23:01:42

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When solid gains heat and converts into liquid, this process is known as…….
a) freezing                                            

b) evaporation
c) melting                                            

d) condensation

c

When liquid gains heat, it converts into……..
a) liquid                                

b) gas
c) another liquid                  

d) both a and b

b

When liquid gains heat and converts into gas, this process is known as…….
a) freezing                                            

b) evaporation
c) melting                                             

d) condensation

b