How are the physical changes different from chemical changes? Give five examples each.
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Answer:
Physical changes:
1.No new substance is formed.
2.Temporary
3.Reversible
Chemical changes:
1.New substance with entirely different properties is formed
2.Permanent
3.Irreversible
Examples:
Physical changes:
1.melting of ice
2.boiling of water
3.tearing of paper
4.breaking of glass
Chemical changes:
1.burning of paper
2.digestion of food
3.respiration
4.cooking of food
5.fermentation of grapes
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