beating aluminium to make aluminium foil is which change
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Beating of aluminium can be grouped under "DESIRABLE CHANGE" because a change which is useful to us is called a desirable change. Beating aluminium to make aluminium foils for certain good purposes is useful to us. So, it is a desirable 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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