Question

9. What is the main chemical component present in the striking surface of a
matchbox?
potassium chlorate
phosphorus
graphite
helium​

Answer 1

Safety matches ignite due to the extreme reactivity of phosphorus with the potassium chlorate in the match head. When the match is struck the phosphorus and chlorate mix in a small amount forming something akin to the explosive Armstrong's mixture which ignites due to the friction

Answer 2

What is the main chemical component present in the striking surface of a

matchbox?

potassium chlorate

phosphorus

graphite

helium​

Your answer will be phosphorus