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Separation Of Mixtures And Purification Of Chemical Substances - Chemistry Jamb Past Questions and Answers

Chemistry Questions And Answers On Separation Of Mixtures And Purification Of Chemical Substances
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Chemistry Jamb Past Questions


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






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