Which of the following is an example of a combustion reaction?
A) 2HBr + Cl2 → 2HCl + Br2
B) C2H5OH + 3O2 → 2CO2 + 3H2O
C) 2CO2 + 3H2O → C2H5OH + 3O2
D) Na2CO3 →Na2O + CO2
E) Na2O + CO2 → Na2CO3
Correct Answer:
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