Chemistry · Oct / Nov 2016 · Paper 12 · Question 27
5070Redox
Which reaction is not a redox reaction?
- ACaCO₃ → CaO + CO₂
- B2C + O₂ → 2CO
- CC + CO₂ → 2CO
- DFe₂O₃ + 3CO → 2Fe + 3CO₂
As printed in the paper
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Correct answer: A. CaCO₃ → CaO + CO₂
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