Classify the following examples into physical or chemical change. [1 MARK] 1) Photosynthesis and burning of coal 2) Dissolving sugar in water and melting of wax
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
Melting of Wax Is a Physical Change but Burning of Wax Is a Chemical Change. Explain?