Question

cutting of wood is a physical change while burning is a chemical change give reason

Answer 1

cutting of wood is a physical change because only physical property of wood is changed and no new substance is formed. the properties of wood remains the same.

burning of wood is a chemical change as new substances are formed that is smokes and CO2. it is different from wood.

hope it will help you
thnks.....

Answer 2

Beacuse while cutting properties of wood doesn't chane but while buring its propeeties changes hence