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Which of the following are chemical changes?  I. cooking of food II. digestion of food...

Chemistry
JAMB 2021

Which of the following are chemical changes? 

I. cooking of food
II. digestion of food
III. freezing of water
IV. water is heated up

  • A. I and II
  • B. I, II, and III
  • C. III and IV
  • D. all of the above
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Correct Answer: Option A
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