Question

State Four differences between a physical change and a chemical change.

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Answer 1

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Answer 2

Physical change:
1) mostly reversible
2) no new substance is formed
3) only the change in physical properties takes place.
4) for example: cutting of wood


Chemical change:
1) mostly irreversible
2) new substance is formed
3) the change in chemical properties takes place.
4) for example: burning of paper