Question

Why do matchstick show magnetic character after burning??

Answer 1

Some matchstick heads contain iron(III) oxide as a colorant. The yellowish color of the burning match indicates that it has low oxygen, i.e. a reducing flame. It reduces the iron oxide to iron which isattracted by the magnet.

Answer 2

Some matchstick heads contain iron(III) oxide as a colorant. The yellowish color of the burning match indicates that it has low oxygen, i.e. a reducing flame. It reduces the iron oxide to iron which is attracted by the magnet.

Hope it helps u