1. 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
) Digestion of food
tements are true or false, In case a
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3
Answer:
1.chemical change 2.chemical 3.physical 4.physical and chemical both 5.physical 6.physical
Answered by
1
Answer:
(a) Photosynthesis → Chemical change
(b) Dissolving sugar in water → Physical change
(c) Burning of coal → Chemical change
(d) Melting of wax → Physical change
(e) Beating aluminium to make aluminium foil → Physical change
(f) Digestion of food → Chemical change
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