Question

These is physical changes and chemical changes 1. Sharping a pencil 2.Burning a matchstick 3.Cutting potatoes into small pieces (Don't scam)​

Answer 1

1. Sharping a pencil

Answer :- Physical Change

• Sharpening a pencil is a physical change because there is no new substance formed.

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2.Burning a matchstick

Answer :- Chemical Change

• Burning a matchstick is a chemical change because new substances forming after burning get which is Ash and heat .

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3.Cutting potatoes into small pieces

Answer :- Physical Change

• Cutting potato into small pieces is a physical change because there is no new substance formed .

Answer 2

Answer:

1) Sharping a pencil is a physical change .

2) Burning a matchstick is a chemical change .

3) Cutting potato into small pieces is

a physical change .

hope it will help you