Define and give examples.
i. Reversible changes
ii. Irreversible changes
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revesible change
melting of candle after cooled ,then wax again
vapourising of water
irreversible change
an chemical reaction
melting of candle after cooled ,then wax again
vapourising of water
irreversible change
an chemical reaction
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The change is called irreversible if it cannot be changed back again. Ex rusting of Almira
A reversible change is a change that can be undone or reversed.
For example cutting of wood
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