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Cooling from Evaporation

The change of...

Question

The change of a bud into a flower is a change that cannot be reversed. Give four more such examples.

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Solution

An irreversible change is a change which cannot be reversed back to the original state of the substance.

Examples of irreversible changes
(i) Milk into curd
(ii) Burning of wood
(iii) Ripening of fruits
(iv) Digestion of food

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Cooling from Evaporation

Standard IX Chemistry

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