when sulfuric acid is combined with sugar, gas is released and a tall, black column forms. this is an example of a ―

when sulfuric acid is combined with sugar, gas is released and a tall, black column forms. this is an example of a ―

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Nature

When sulfuric acid is combined with sugar, gas is released and a tall, black column forms. This is an example of a dehydration reaction. In this reaction, concentrated sulfuric acid dehydrates the sugar (sucrose), removing water molecules and leaving behind carbon in the form of a black, porous column or "carbon snake." The reaction is exothermic and releases gases like steam and carbon dioxide, which cause the black carbon mixture to expand and form the tall column. This carbon snake demonstration showcases the powerful dehydrating and oxidizing properties of sulfuric acid, which causes the breakdown and carbonization of sugar, producing heat, gas, and a characteristic black solid.

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