Chemistryhard · Past Paper
Carbon dioxide acts as an oxidizing agent when it reacts with:
AWater
BMagnesium
CSodium hydroxide
DCalcium oxide
✓ Correct Answer: B — Magnesium
Magnesium burns in CO2, reducing it to carbon and being oxidized itself to magnesium oxide (2Mg + CO2 -> 2MgO + C).
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