Identify the following as physical and chemical changes. (1+1+1)
(a) Digestion of food
(b) Photosynthesis
(c) Melting of chocolate
(d) Converting water to water vapour
(e) Bursting of crackers
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Answer:
1. Physical change
2. Chemical change
3. Physical change
4. Chemical change
5. Chemical change
Explanation:
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