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Which of the Following Reactions Is an Oxidation-Reduction Reaction

Question 25

Multiple Choice

Which of the following reactions is an oxidation-reduction reaction?


A) NH3(g) + H2O(l) → NH4OH(aq)
B) HCl(aq) + NaH2PO4(aq) → H3PO4(aq) + NaCl(aq)
C) 2 H2O(l) → H3O+(aq) + OH-(aq)
D) Mg(OH) 2(s) → Mg2+(aq) + 2 OH-(aq)
E) CO(g) + H2O(g) → CO2(g) + H2(g)

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