A) Zn and alcoholic NaOH
B) Zn and aqueous NaOH
C) \[\text{ }\!\!~\!\!\text{ N}{{\text{H}}_{\text{2}}}\text{N}{{\text{H}}_{\text{2}}}\] and alcoholic KOH
D) Zn and HCl
Correct Answer: D
Solution :
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