Which of the following is a combustion reaction? A. CaCO3 (s) → CaO (s) + O2 (g) B. C (s) + O2 (g) → CO2 (g) C. 2Na (s) + Cl2 (g) → 2NaCl (s) D. H2 (g) + Cl2 (g) → 2HCl (g)
1 Answer
Apr 16, 2018
B.
Explanation:
Combustion is the process of heating an element in the presence of
Di-Oxygen to produce water
so,
so, correct answer is B.