Question

Which of the following is not a chemical change

1. Tearing of paper
2. Rusting of iron
3. Cooking of food
4. Burning of paper

Answer 1

1.tearing of paper is not chemical change

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Answer 2

Explanation:

1. Tearing of paper is a physical change not a chemical change

2. Rusting of iron is a chemical change

3.Cooking of food is a chemical change

4.Burning of paper is a chemical change

In a chemical change , new things are formed and they have a different property which was above seen in cooking of food, rusting of iron and burning of paper but the teared paper can be again get by sticking the paper or making the teared paper again plain by using physical methods