Question

Physical change and chemical change​

Answer 1

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.

Physical change is easily reversible i.e original substance can be recovered.

Answer 2

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Physical change is a change in which no change take place whereas in chemical change some changes take place..

Example of physical :. Stretching of rubberband.

Example of Chemical:. burning of paper...

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