A reaction of potassium chlorate with starch. It was initiated by a drop of concentrated sulfuric acid onto the mixture. Chlorine dioxide, first formed from the acid and the chlorate, caused the ignition of starch at the point it was added, which then ignited the rest of the mixture.
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This was just a test after making my first batch of potassium chlorate though electrolysis. These mixtures weren't even powder. my chlorate was just mixed with Indian Blackhead aluminum, still flaky, so it would be even more powerful than this if the chlorate was fine powder. notice the excess aluminum sparks skyrocketing on the 10 gram ignition.
