Which of the following is combustion reaction?

Question

Which of the following is combustion reaction? (A) C + O2 → CO2 (B) CH4 + O2 → CO2 + H2O (C) Mg + O2 → MgO (D) all of these

Tardigrade Admin · Accepted Answer

When all substances in a compound combine with oxygen and produces

C O_{2}

and

H_{2} O

, it is commonly called burning
During combustion substance reacts with an oxidising agent such as

O_{2}

and

F_{2}

. Not all combustion reaction releases

C O_{2}

and

H_{2} O

e.g.

M g + O_{2} \to M g O + Heat

Q. Which of the following is combustion reaction?