Classify the following processes into physical or chemical changes:
(i) Beating of aluminium metal to make aluminium foil.
(ii) Digestion of food.
(iii) Cutting of a log of wood into pieces.
(iv) Burning of crackers.

AcademicChemistryNCERTClass 7

(i) Beating of aluminium metal to make aluminium foil – physical change
(ii) Digestion of food – chemical change
(iii) Cutting of log of wood into pieces – physical change
(iv) Burning of crackers – chemical change
raja
Updated on 10-Oct-2022 13:21:38

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