CBSE Class VIII. Why does the matchstick start burning on rubbing it on the side of the matchbox?

Описание к видео CBSE Class VIII. Why does the matchstick start burning on rubbing it on the side of the matchbox?

combustion and flame
why does the matrix start burning on rubbing it on the side of the matchbox?
white phosphorus
red phosphorus
Pinewood
sulphur
potassium chlorate
Antimony trisulphide
powdered glass

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