Question

List of 20 chemical change

Answer 1

Explanation:

1. stale food
2. cooked food
3. rusting of metal
4. burning of paper

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Answer 2

Answer:

chemical changes::::::::::

1.Burning wood.

2.Souring milk.

3.Combining base and acid.

4.Digesting food.

5.Cooking an egg.

6.Making caramel from heating sugar.

7.Baking a cake.

8.Rusting of iron

9.Respiration

10.Photosynthesis

11.Cooking food

12.Burning paper

13.Electroplating a metal

14.Use of chemical battery

15.Fireworks explosion

16.Rotting bananas

17.Grilling a hamburger

18.Saliva digesting sugar with the use of amylaze

19.Producing carbondioxide through 20.vinegar and baking soda reaction

Metabolism of food