CBSE BOARD XII, asked by kaarthaveeryad, 7 months ago

explain why burning of wood and cutting it into small pieces are concider as two different changes

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Answered by Anonymous

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. Cutting of wood into small pieces is a physical change because no new substance is formed.

Answered by Anonymous

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