The chemical formula of Iron III oxide is Fe2O3. It's received from a mineral ore called hematite. It can be mined then processed to obtain iron oxide for extracting the metal. Iron is also referred to as Ferrum in Latin. The valency of this metal is 2 and three. When https://polycarboxylate-superplas50471.loginblogin.com/46827119/detailed-notes-on-hollow-glass-sphere