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Which of the following are chemical changes? (a)Growth of a plant (b)Rusting of iron

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asked Nov 6, 2017 in Chemistry by jisu zahaan (28,760 points) ● 28 ● 439 ● 1107

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.

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answered Nov 6, 2017 by sforrest072 (157,439 points) ● 63 ● 451 ● 1308
selected Nov 10, 2017 by jisu zahaan
 
Best answer

Following are Chemical changes. 

(a)Growth of a plant 

(b)Rusting of iron 

(c) Cooking of food 

(d)Digestion of food 

(e) Burning of a candle.

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