Question

difference between chemical and physical changes

Answer 1

chemical changes are irreversible
physical changes are reversible
in chemical changes a new substance is formed
in physical change no new substance is formed
chemical change for eg burning of paper
physical change for eg melting and freezing of ice

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Answer 2

HEY MATE .... HERE IS YOUR ANSWER ...

There are several differences betweena physical and chemical change in matter or substances. A physical change in a substance doesn't changewhat the substance is. In a chemical change where there is a chemical reaction, a new substance is formed and energy is either given off or absorbed.

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