Question

Which of the following are chemical changes?
la) Growth of a plant
(b) Rusting of iron
(c) Mixing of iron filings and sand
(d) Cooking of food
le) Digestion of food
h Freezing of water
9 Burning of a candle.​

Answer 1

Answer:

These are the chemical changes:-

a, b, d, e, 9

Answer 2

a chemical change

b chemical

c physical

d chemical

e chemical

f physical

g chemical

Explanation:

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