Multiple Choice
Which of the following reactions is an oxidation-reduction reaction?
A) NH4HS(s) → NH3(g) + H2S(g)
B) 2 NaHCO3(s) → Na2CO3(s) + H2O(g) + CO2(g)
C) N2O4(g) → 2 NO2(g)
D) 2 SO2(g) + O2(g) → 2 SO3(g)
E) 2 CH3COOH(aq) + Ba(OH) 2(aq) → Ba(CH3COO) 2(aq) + 2 H2O(l)
Correct Answer:

Verified
Correct Answer:
Verified
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