What is another word for ferric acid?
Pronunciation: [fˈɛɹɪk ˈasɪd] (IPA) 
Ferric acid, also known as iron(III) oxide, is a chemical compound with the molecular formula Fe2O3. It is commonly used in the manufacturing of steel, as well as for pigments in paint and ceramics. There are several synonyms for ferric acid, including iron sesquioxide, hematite, red iron oxide, and rust. These terms are often used interchangeably, but each has a slightly different meaning and use in various fields. For example, hematite is a mineral form of iron oxide that is often used as a gemstone, while rust is the reddish-brown coating that forms on iron and steel when exposed to oxygen and moisture.
