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Q.7. Explain why burning of wood and cutting it into small pieces are considered as two different types of changes. ~

Q.7. Explain why burning of wood and cutting it into small pieces are considered as two different types of changes. ~

Grade:12th pass

1 Answers

Pawan Prajapati
askIITians Faculty 6228 Points
2 months ago
Burning of wood is a chemical change because in burning new substances are formed as Wood + Oxygen ———–> Charcoal + Carbon dioxide + Heat + Light But cutting it into small pieces is physical change because no new substance is formed. We can only reduce the size of wood.

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