3. Give two examples each of physical changes that involve:
(a) Change of shape
(b) Change of state
-. Why is cooking of food is considered a chemical change?
(c) Change of size
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a) eat lots of junk food. you'll notice change in your body shape. after some days, do a lot of exercise.you'll get your previous body shape..
jk.. cutting paper.
b) melting of ice.
cooking of is considered a chemical change because everything reacts and form a new substance. u can't get back your tasty tasty raw vegetables nd all.
c) rolling out a roti from it's dough.
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