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Yep there's lots of different oxidising agents besides oxygen itself. One of the demo's I do with my chem students to illustrate this is to bubble chlorine gas through a large measuring cylinder full of water. If you drop calcium carbide in to the water it reacts to form acetylene gas which then reacts with the chlorine gas and burns. It's pretty cool as the gases ignite under water and looks a bit like fireworks. Best of all it allows the students to see fire in an enviroment they would not have thought possible.
Mark
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