Chemistry
State two observations for : NH4OH soln. is added to zinc nitrate soln. slowly and then in excess.
Ammonia
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Answer
White gelatinous precipitate of zinc hydroxide is formed which dissolves in excess of NH4OH solution.
Zn(NO3)2 + 2NH4OH ⟶ 2NH4NO3 + Zn(OH)2 ↓
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