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
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Answers
Answered by
1
Answer:
chemical
physical
chemical
physical
donot know
chemical
Answered by
1
Answer:
chemical
physical
chemical
physical
physical
chemical....
Explanation:
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