14. Classify the changes involved in the following processes as physical or chemical change:
(i) Photosynthesis
(ii) Dissolving sugar in water
(iii) Burning of coal
(iv) Melting of wax
(v) Digestion of food
(vi) Rusting of iron
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Answers
Answered by
1
Answer:
a)physical change
b)chemical change
c)physical change
d)chemical change
e)chemical change
f)physical change
Answered by
0
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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