What is Zinc hydroxide?
[[File:Hydroxid zinečnatý.PNG|thumb|Zinc hydroxide]] '''Zinc hydroxide''' is a [[chemical compound]]. Its chemical formula is Zn(OH)<sub>2</sub>. It contains [[zinc]] and [[hydroxide]] [[ion]]s. ==Properties== Zinc hydroxide is a white solid. It does not dissolve in water. It reacts with [[acid]]s to make zinc [[salt]]s. It dissolves in concentrated [[base (chemistry)|bases]]. It dissolves in ammonia to make a colorless solution. It can be heated to make [[zinc oxide]]. ==Occurrence== Zinc hydroxide is found as a few rare minerals. It is not a main zinc [[ore]]. ==Preparation== Zinc hydroxide can be made by reacting [[zinc chloride]] or [[zinc sulfate]] with [[sodium hydroxide]]. A dilute solution of sodium hydroxide was used so the zinc hydroxide didn't dissolve. ==Uses== Zinc hydroxide is used to absorb blood in large bandages. These bandages are used after surgery. ==Related pages== *[[Zinc bromide]] *[[Zinc fluoride]] [[Category:Zinc compounds]]