Coal
from sugar |
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Half
fill a 200ml beaker with sugar. |
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Place the beaker with the sugar onto a heat-proof mat in a fume cupboard. Pour enough concentrated sulfuric acid to cover the surface of the sugar. |
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The colour of the sugar crystals starts to change. | |
The sugar crystals turn black. The reaction is extremely exothermic. Plumes of steam rise quickly from the rising hot column of carbon. Click to see a 120kb video. |
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