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
(a) Chemical change
(b) Physical change
(c) Chemical change
(d) Physical change
(e) Physical change
(f) Chemical change
