Chemistry · Oct / Nov 2016 · Paper 11 · Question 24
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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