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Separation of mixtures and purification of chemical substances - Jamb Chemistry Past Questions and Answers

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Jamb Chemistry Past Questions

Jamb Past Questions and Answers on Separation of mixtures and purification of chemical substances

Question 136:


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

View Answer & Explanation



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