Question
Classify the following processes into physical or chemical changes.
(a) Beating of aluminium metal to make aluminium foil
(b) Digestion of food
(c) Cutting of a log of wood into pieces
(d) Burning of crackers
(a) Beating of aluminium metal to make aluminium foil
(b) Digestion of food
(c) Cutting of a log of wood into pieces
(d) Burning of crackers