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)
Correct Answer:

Verified
Correct Answer:
Verified
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