Question

why does the matchstick start burning on rubbing it on the side of the matchbox?​

Answer 1

Answer:

Due to friction

Explanation:

When we rub matchstick on the side of the matchbox friction produces and friction produce heat

Answer 2

Answer:

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.

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