What are the differences between pig iron, iron oxide, iron oxide, iron oxide, and ferrous oxide?
Pig iron whiteThe iron powder is black, pure iron is white or silver whiteIron oxide, that is, Fe2O3, pure red, red brown powderMagnetite: black solidFerrous oxide: black powder
Pig iron is mixed with carbon elements. A single iron is iron. Iron oxide is commonly known as iron oxide, also known as rust
Iron oxide and iron oxide are a kind of thing, that is, rust
