Question

how is chemical change different from a physical change?

Answer 1

hey friend,

here is ur answer,

There are several differences between a physical and chemical change in matter or substances. A physical change in a substance doesn't change what 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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Answer 2

1.Physical change doesnot change a substance to another substance whereas chemical change does.
2.Physical change is reversible whereas chemical change is irreversible .
3.In physical change new substance is not formed whereas in chemical change a new substance is formed.