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.
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