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Question 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 (f) Digestion of food

Question 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
(f) Digestion of food

Grade:12th pass

1 Answers

Pawan Prajapati
askIITians Faculty 8741 Points
one month ago
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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