Dehydration reaction. Image 1 of 2. Beaker containing a solution of concentrated sulphuric acid and sugar (sucrose). This is the beginning of the reac

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Dehydration reaction. Image 1 of 2. Beaker containing a solution of concentrated sulphuric acid and sugar (sucrose). This is the beginning of the reaction. Sulphuric acid is a powerful dehydrating agent. When it comes into contact with a substance that contains hydrogen and oxygen, the elements of water, it removes those elements. Sucrose is a carbohydrate and made up of carbon, hydrogen and oxygen. The sulphuric acid will remove the hydrogen and oxygen from the sucrose, leaving just carbon.

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Photo credit: © ANDREW LAMBERT PHOTOGRAPHY/SCIENCE PHOTO LIBRARY / Alamy / Afripics
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Keywords: acid, agent, beaker, carbohydrate, chemical, chemistry, classroom, concentrated, dehydrating, dehydration, education, experiment, experimenting, laboratory, reaction, school, science, sequence, series, sucrose, sugar, sulphuric