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Permanent Change

What is an ir...

Question

What is an irreversible change? Give two examples.

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Solution

A change that cannot be reversed is called an irreversible change. It is permanent in nature and forms new materials. Examples:
Cooking of rice: Rice once cooked cannot be reversed to original raw rice.
Burning of candle: Candle once burned cannot be reversed to its original state.

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1. Melting of ice-cream is an example of a/an .................... (reversible/irreversible) change.
2. Ripening of fruits is an example of a/an .................... (reversible/irreversible) change.
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