Beating Aluminium to make Aluminium foil is a chemical change.
True
False
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) Rusting of iron.
Classify the changes involved in the following processes as physical or chemical changes:
(a) Photosynthesis
(b) Dissolving sugar in water
(c) Burning of coal
(d) Melting of wax
(e) Beating aluminium to make aluminium foil
(f) Digestion of food
Question 16
(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.