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Which of the Following Is Not an Oxidation−reduction Reaction

Question 71

Multiple Choice

Which of the following is not an oxidation−reduction reaction?


A) CaCO3(s) → CaO(s) + CO2(g)
B) 2 Na(s) + Br2(g) → 2 NaBr(g)
C) Fe(s) + 2 HCl(aq) → FeCl2(aq) + H2(g)
D) 2 C(s) + O2(g) → 2 CO(g)
E) 2 H2O( Which of the following is not an oxidation−reduction reaction? A)  CaCO<sub>3</sub>(s) → CaO(s) + CO<sub>2</sub>(g)  B)  2 Na(s) + Br<sub>2</sub>(g) → 2 NaBr(g)  C)  Fe(s) + 2 HCl(aq) → FeCl<sub>2</sub>(aq) + H<sub>2</sub>(g)  D)  2 C(s) + O<sub>2</sub>(g) → 2 CO(g)  E)  2 H<sub>2</sub>O(   ) → 2 H<sub>2</sub>(g) + O<sub>2</sub>(g) ) → 2 H2(g) + O2(g)

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