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Yogita Ingle 7 years, 7 months ago
Physical changes:
1) Folding of a paper sheet
2) Tearing of paper sheet
3) Melting of wax
4)Melting of ice into water
5)Freezing of water
6) Change of water into vapour
7)Change of vapour into water (Condensation)
8)Stretching of a rubber band
Chemical changes:
1) Burning of paper, wood, fuel or anything
2) Reaction between vinegar and Baking Soda
3) Burning of magnesium ribbon
4) Rusting of Iron
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Yogita Ingle 7 years, 7 months ago
Changes in which chemical properties of substance change and a new substance is formed are called chemical changes. Some of the chemical changes are irreversible. Even in case of reversible changes in which chemical properties of substance change and a new substance is formed are called chemical changes. Some of the chemical changes are irreversible. Examples: Burning of paper, wood, fuel or anything
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Aditi Chauhan 7 years, 7 months ago
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