Question

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

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Answer 1

Answer:

a,d,e,g is chemicals change

Answer 2

Answer:

Growth of a plant, rusting of iron, cooking of food, digestion of food, and burning of candle are chemical changes because here the chemical composition of the substance changes.

plz mark my answer as the brainiest answer...thnku