Question

Explain why burning of wood and cutting if into small pieces are considered as two different type of change.​

Answer 1

Answer:

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Explanation:

The burning of wood leads to the formation of new substances like ash(carbon), carbon dioxide gas, water vapor, 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.

Answer 2

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. Also, no new substances are formed

Explanation:

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