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Which of the Following Is an Oxidation-Reduction Reaction

Question 118

Multiple Choice

Which of the following is an oxidation-reduction reaction?


A) PbCO3(s) + 2HNO3(aq) → Pb(NO3) 2(aq) + CO2(g) + H2O(l)
B) Na2O(s) + H2O(l) → 2NaOH(aq)
C) SO3(g) + H2O(l) → H2SO4(aq)
D) CO2(g) + H2O(l) → H2CO3(aq)
E) C2H4(g) + H2(g) → C2H6(g)

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