Question

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
​

Answer 1

Step-by-step explanation:

a, b, d, e and g

hope it's helpful

Answer 2

The chemical changes are as follows:

Step-by-step explanation:

• Growth of a plant
• Rusting of iron
• Cooking of food
• Digestion of food
• Burning of a candle.

-TheUnknownScientist 72