Blooming Personalities C/D 30Th November
Quizzes & Puzzles30 mins ago
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For more on marking an answer as the "Best Answer", please visit our FAQ.Concentrated sulphuric acid reacts very strongly with water and will even remove it from compounds containing water. This reaction generates a lot of heat (exothermic).
Sugar - sucrose - is a carbohydrate, a compound of carbon, hydrogen and oxygen. C12H22O11
This can be thought of as 12 carbon atoms joined onto 11 water molecules.
The acid removes the water, leaving behind the carbon. The heat generated produces steam which froths up the carbon into the sponge texture you describe.