kids encyclopedia robot

Zinc hydroxide facts for kids

Kids Encyclopedia Facts
Hydroxid zinečnatý
Zinc hydroxide

Zinc hydroxide is a chemical compound. Its chemical formula is Zn(OH)2. It contains zinc and hydroxide ions.

Properties

Zinc hydroxide is a white solid. It does not dissolve in water. It reacts with acids to make zinc salts. It dissolves in concentrated 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

kids search engine
Zinc hydroxide Facts for Kids. Kiddle Encyclopedia.