OM
2. Classify the following into physical and chemical changes.
(a) Melting of wax
(b) Burning of agarbatti
Cooking of food
(e) Growth of a tree
Weathering of a rock (h) Making ice-cream from milk
(c) Tearing of cloth
() Burning of paper
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Answer:
A melting of wax I guess
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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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