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Grade 12th passZoology

Which of the following are chemical changes?
(a) Growth of a plant
(b) Rusting of iron
(c) Mixing of iron filings and sand
(d) Cooking of food
(e) Digestion of food
(f) Freezing of water
(g) Burning of a candle.

Profile image of Harshit Singh
5 Years agoGrade 12th pass
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2 Answers

Profile image of Harshit Singh
5 Years ago
Dear Student

Chemical changes are:
(a) Growth of a plant
(b) Rusting of iron
(c) Cooking of food
(d) Digestion of food
(e) Burning of a candle

Thanks
Profile image of Shraddha Singh
5 Years ago
Dear Student,
 
The chemical changes are as follows :
1. Growth of a plant
2. Rusting of iron
3. Cooking of food
4. Digestion of food
5. Burning of candle (both physical and chemical change)
 
Hope it helps!
Thank you ✌️

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