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Q. |
Which of the following is not a chemical reaction? |
A. | Burning of paper |
B. | Digestion of food |
C. | Conversion of water into steam |
D. | Burning of coal |
Answer» C. Conversion of water into steam | |
Explanation: Water boiling is a physical reaction only because during physical reaction there is a change of state but during chemical reaction there is breaking or making of bonds. |
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