What do you mean by Physical and chemical changes ?

Answers (1)
S Sumit

PHYSICAL CHANGE : It is defined as rte changes which can be reversed even after reversing the reaction is called physical changes. The chemical composition is not changed after the end of the reaction.
Example : Ice changes into water and water changing back into ice.

CHEMICAL CHANGE : It is defined as the changes which cannot be reversed even after reversing the reaction is called chemical changes. The chemical composition is completely changed after the end of the reaction. There is formation of new compounds.

 

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