Question

what is the difference between physical and chemical change?

Answer 1

Difference between physical change and chemical change are as follows-

1 - physical change is reversible but chemical change is irreversible.

2- It is a change where the properties and composition of substance remain same but in chemical change new substance is formed.

3- physical change is temporary whereas the Chemical change is permanent.

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Answer 2

The change which is done chemically is known as chemical change. For example -If you boil the white sugar than it will become black in color and it is poisonous!

The change which occur physically is known as physical change. For example -If you burn a paper.