Question

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

Answer 1

Answer:

Explanation:

Burning of wood is a chemical change while cutting of wood is a physical change because during burning, new substances are formed. After burning, we cannot get original substance, (i.e. wood) back.

Answer 2

Answer:

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Burning of wood is a chemical change as when the wood gets burned, new substance i.e. ash is formed which is a completely new substance when compared to wood. Also, cutting of wood is considered as a physical change because Only the characteristics to the wood like size, shape, etc. change and not it's chemical properties.

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