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21-05-2019
Social Studies

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16. 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.

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21-05-2019

Physical changes include beating of aluminium metal to make aluminium foil and cutting of a log of wood into pieces.

Chemical changes include digestion of food and burning of crackers.

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