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: Option C
Solution (By Examveda Team)
The conversion of water into steam is an example of a physical change, where the state of the matter changes without changing its composition. A physical change involves a change in physical properties. Examples of physical properties include melting, transition to a gas, change of strength, change of durability, changes to crystal form, textural change, shape, size, colour, volume and density.This Question Belongs to General Knowledge >> Chemistry
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