2. 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
(8) Burning of a candle
(h) Melting of candle.
Answers
Answered by
2
Answer:
1)melting of a candle
2( cooking of food
3) melting of candle
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Answered by
2
Answer:
rusting of iron
cooking of food
digestion of food
Burning of a candle
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