ange. Give one example of each.
Classify the following into physical and chemical changes.
(a) Melting of wax
(b) Burning of agarbatti
(d) Cooking of food
(e) Growth of a tree
(g) Weathering of a rock (h) Making ice-cream from milk?
(c) Tearing of cloth
(f) Burning of paper
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Answer:
a. physical change
b. physical change
d. chemical change
e. physical change
g. physical change
h. physical change
c. physical change
f. physical change
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