Question

Differentiate between physical change and chemical change?Give 1 exampal each

Answer 1

Answer:

In a chemical change, the molecular composition of a substance completely changes and a new substance is formed. Some example of physical change are freezing of water, melting of wax, boiling of water, etc. ... In a physical change, no energy is produced. In a chemical change, energy is produced (heat, light, sound, etc.)

Answer 2

Answer:

physical changes are the changes in appearance of any object

for eg paper cut down into pieces

chemical changes are the changes in chemical composition of any object

for eg. milk turned into curd

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