Question

why burning of wooden and cutting it into small pieces are considered as two different types of changes​

Answer 1

Cutting of wood is a physical change because in the process it retains its physical properties such as state colour etc where no new products are not formed.

Burning of the wood is considered as a chemical change because in the process the physical properties of the wood changes such as its colour state etc and the new products are formed

Answer 2

Cutting of wood in to small pieces are physical change because it’s state doesn’t changes

Burning of wood is chemical change because it’s state is changed to ash