Question

1. Give two examples each of reversible and irreversible physical changes from the daily life. ​

Answer 1

Answer:

reversible changes-

1. evaporation of water.

2. freezing of water.

irreversible changes-

1. baking a cake.

Answer 2

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Reversible changes: Melting of wax and stretching of a rubber band. Irreversible changes: Burning of a paper and growth of plants.

...

• Melting and folding are examples of it.
• A change which cannot be undone or reversed.
• It is a permanent change.
• Burning and cooking of food are examples of it.