05-06-2008, 04:12 PM
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 | Desi Club Badshah | | |
  Re: 204 Simple Science Experiments ~ {ERG}
20. Sugar fire
Place a piece of cube sugar on a tin lid and try to set it alight.
You will not succeed. However, if you dab a corner of the cube with a trace of cigarette ash and hold a burning match there, the sugar begins to burn with a blue flame until it is completely gone.
Cigarette ash and sugar cannot be separately ignited, but the ash initiates the combustion of the sugar. We call a substance, which brings about a chemical reaction, without itself being changed a catalyst. |