Question

Do and write five physical and five chemical changes in the nootbook​

Answer 1

Answer:

Examples of chemical changes are burning, cooking, rusting, and rotting.

Examples of physical changes are boiling, melting, freezing, and shredding.

Often, physical changes can be undone, if energy is input.

Answer 2

Answer:

Physical changes:

1. Melting of ice to water

2. Boiling water

3. Tearing paper

4. Melting of wax

5. Breaking of glass

Chemical changes:

1. Cooking of food

2. Boiling of egg

3. Burning of paper

4. Rotting of fruits

5. Digestion of food

hope it helps

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