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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Hi there
ur answer
Explanation:
a - Chemical change
b - Physical change
c - Chemical change
d - Physical change
e - Physical change
f - Chemical change
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Answer:
(a) chemical change
(b) physical change
(c) chemical change
(d) physical change
(e) physical change
(f) chemical changes
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