Question

q 13 please i need help it urgent tomorrow it my exam

Answer 1

Which chapter you want please tell me I will help you

Answer 2

Combustion is a chemical process in which a substance reacts with oxygen and gives out energy during the process in the form of either heat or light or both. Rusting of iron is an exothermic process as heat is released during rusting. Hence, it is a kind of slow combustion.