Explain why burning of wood and cutting it into small pieces are considered as two different types of changes?
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Answer:
Burning of wood is considered as chemical change and cutting it into small pieces is considered as physical change
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Explanation:
Burning of wood is considered as chemical change because new substances like carbon dioxide,water vapour and ash is produced.Also it is impossible to get back the wood from the released substances.
Whereas cutting of wood into small peices is considered as physical change as no new substance is formed and the pieces of wood have the same properties as the wood before cutting.
That is why burning of wood and cutting it into small pieces are considered as two different types of changes.
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