Decomposition of Sugar Using Sulfuric Acid

Material Small beaker (tall form), glass rod table sugar, concentrated sulfuric acid (careful ), water, aluminum foil. 

Procedure Spread out aluminum foil on a table and place a beaker on top. Fill the beaker to half of its volume with sugar, and damp the sugar with a little water. Add sulfuric acid (volume of half of the volume of sugar) and stir intensely for a short moment. Wait. 

Observation The sugar reacts to a black matter, this matter begins to simmer, steam escapes. The porous black substance rises a few centimeters above the beaker in a toothpaste shape, could break off and falls onto the aluminum foil. 

Tip Caution the black carbon is still moistened with concentrated sulfuric acid it should be removed with the glass rod from the beaker, wrapped in the aluminum foil and disposed of in the solid waste container. The beaker should then be thoroughly rinsed. 

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