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
Answers
Answered by
8
a) chemical change
b) physical change
c) chemical change
d) both physical and chemical
e) physical
f) chemical
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Answered by
5
Answer:
1. Chemical change
2.Physical change
3.Chemical change
4.Physical change
5.Physical change
6.Chemical change
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