Question

Define physicaland chemical.change i. esay language

Answer 1

physical changes are the changes that change physical traits of a substance.
ex. condensation.

chemical changes are those which affect internal structure of a substance.
ex. burning of cracker.

Answer 2

Heya mate ur answer
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Physical Changes are the changes which are reversible. No new substance is formed. Only physical properties are affected. No energy is formed. Example:stretching rubber etc.


Chemical Changes are the changes which are irreversible. New substances are formed. Both physical and chemical properties are changed. Energy is formed. Example: digestion of food, cooking etc.

Hope it helps...