why did matchstick burn on rubbing it on the side of a match Box
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Answer:
It is Due to FRICTION between matchbook and matchstick
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When the matchstick is rubbed against the side of the match box, some of the red phosphorus is converted into white phosphorus; this immediately reacts with potassium chlorate in the matchstick head to produce enough heat to ignite antimony trisulphide and starts the combustion of matchstick.
Two factors enables the match to ignite: rubbing causes friction which causes heat and the side of a matchbox contains a catalyst which causes combustion.
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