Question
Classify the changes involved in the following processes as physical or chemical changes:
Photosynthesis
Dissolving sugar in water
Burning of coal
Melting of wax
Beating aluminium to make aluminium foil
Digestion of food
Photosynthesis
Dissolving sugar in water
Burning of coal
Melting of wax
Beating aluminium to make aluminium foil
Digestion of food
Dissolving sugar in water → Physical change
Burning of coal → Chemical change
Melting of wax → Physical change
Beating aluminium to make aluminium foil → Physical change
Digestion of food → Chemical change
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