Single Answer MCQ
Q-00039847

Which of the following represents a combustion reaction?

1

C + O2 → CO2

2

Na + Cl2 → NaCl

3

CaCO3 → CaO + CO2

4

2H2 + O2 → 2H2O

Answer and Solution

Answer

A. C + O2 → CO2

Solution:

Combustion reactions typically involve substances reacting with oxygen to produce energy. Both options show that carbon reacts with oxygen to produce carbon dioxide.

Watch Video Solution