Question

why morning of wood and cutting it into small pieces are considered as two different types of changes?​

Answer 1

Answer:

The burning of wood leads to the formation of new substances like ash(carbon), carbon dioxide gas, water vapour, heat and light. This change is irreversible and hence a chemical change. While cutting wood into smaller pieces is a physical change as there is no change in the original composition of wood.

Step-by-step explanation:

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