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Q 11.     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.

Answers (1)

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Out of given following are the examples of chemical changes-

  • Growth of plants
  • Rusting of iron
  • cooking of food
  • Digestion of food
  • Burning of candle
Posted by

manish painkra

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