Question

why does matchstick not burn on its own ?

Answer 1

A matchstick does not catch fire andburn on its own at room temperature because the ignition temperature ofmatchstick is higher than the room temperature.

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Answer 2

This is because for anything to burn , there is need of certain minimum temperature called  its ignition temperature.

Ignition temperature of the matchstick head is about 230oC , but the temperature of room is hardly equal to 20-30oC ,so the temperature of room can never be equal to the ignition temperature of matchstick and hence it does not burn  on its own.

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