(b) Fers Fas
7 Name the whether the following archangee physical or chemical change
a) Melting of wax
(b) burning of wax
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Explanation:
Melting of wax is a physical change but burning of wax is a chemical change.
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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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