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



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


Grade:11

1 Answers

Shane Macguire
30 Points
8 years ago

When we burn wood, a new substance, coal, is formed. Therefore, it is a chemical change. However, when we cut wood, only the shape and size of the wood are changed. No new substance is formed. Therefore, it is a physical change.

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