Question

State three changes which are reversible and three which are irreversible

Answer 1

three changes which are irreversible
1.Burning of candle.
2.Tearing of page.
3. Burning of Mg ribbon.
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three changes which are reversible
1. stretching of rubber band.
2. changing of ice to water.
3. changing of water in vapours.
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Answer 2

reversable change :freezing of water, melting of ice and evaporating of water.
ireversable change :burning of candle, burning of fuel and formation of curd from milk.
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