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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
​

Sagot :

TheUnknownScientist

Answer:

The chemical changes are as follows:

Explanation:

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

 

-TheUnknownScientist 72

preetS66

Explanation:

a, b, d, e and g

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