Chemistryeasy · Past Paper
The reaction $C + O_2 \rightarrow CO_2 + 393.5 kJ$ is an example of:
AEndothermic reaction
BExothermic reaction
CDecomposition reaction
DDisplacement reaction
✓ Correct Answer: B — Exothermic reaction
Heat energy is written on the product side, indicating it is released during the reaction.
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