write a balanced chemical equation when Ammonium hydroxide is added to zinc chloride solution first a little and then in excess
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ZnCl2 +2NH4OH ➡️
Zn(OH)2⬇️ + 2NH4Cl ,when added in little quantity.
When ammonium hydroxide is added in excess,then it dissolves in it to form a gelatin white precipitate of zincate.
Zn(OH)2 +4NH4OH➡️
Zn(NH3)4 (OH)2 +4H2O .
Thank you!
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