Question

explain why burning of wood and cutting it into small pieces are considered as two different types of change
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Answer 1

Answer:

burning of wood is a chemical change as new compounds are formed like ash etc .

cutting wood is a physical change as no new substance is formed

Answer 2

Burning of wood is chemical change while cutting of wood is a physical change because during burning new substances are formed after burning we cannot get original substances back cutting of wood into small pieces is a physical change because no new substance is formed....