Question
Reversible change and Irreversible change

Answer

Reversible changeIrreversible change
1. The changes that can occur in a forward and reverse direction again and again is called reversible.1. The changes which we can not reverse back to some thing are called irreversible change.
2. E.g.: (a) Melting a wax candle and obtaining the original solid wax again, (b) Stretching a rubber or spring.2. E.g.: Burning of paper or wood cannot be undone. Wood cannot be obtained from the ash.

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