Question

Classify the following as chemical and physical changes.
(a) Cutting of trees.
Chemical and physical change why.​

Answer 1

Answer:

➡️Cutting trees is a chemical change

➡️ReAsOn :

Since all chemical reactions stop and we cannot get back the original tree from wooden pieces

➡️Hope u understand

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Answer 2

Question

Classify the following as chemical and physical changes.

(a) Cutting of trees.

Chemical and physical change why.

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(a) Cutting of trees.

➣ It is a chemical change as it cannot be reversed that is the wood cannot be converted back to the tree.

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.➣ A change which cannot be reversed by reversing the conditions is known as chemical change. In this new products are formed.

While

➣ A change which can be reversed by reversing the conditions is known as physical change. In this no new products are formed.