Question

give four characteristic of a chemical change​

Answer 1

Hey mate

Answer:

●New substance is formed .....

●It is permanent....

●It is irreversible....

●May or may not lead to evolution of heat.....

EXAMPLE: Burning of Paper

Answer 2

Answer:

hey!!!

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here's ur ans....

1-new substance formed.

2-odor change.

3-cannot be reverse.

4-formation of gas.

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