Classify the following changes into chemical and physical changes.
(a) Burning of coal (b) Digestion of food
(c) Cutting of tree (d) Cutting of wood
(e) Photosynthesis (f) Dissolving sugar in water.
(ii) How would you show that
setting of curd is a chemical change?
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Answer:
Chemical Changes:
Digestion of Food
Photosynthesis
Physical Changes:
Cutting of tree
Cutting of Wood
Dissolving sugar in water
Burning of Coal
Explanation:
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