Rust is the conventional term for Iron oxide, a highly common chemical. Iron oxide, or Fe2O3 , is abundant because Iron rapidly interacts with oxygen—so readily, in fact, that pure Iron is very rarely encountered in nature.
Question : Which of the following statements is correct?
Option 1: Zinc oxide is a form of rust.
Option 2: Copper can also turn into rust upon hydration.
Option 3: Chemically, rust is hydrated ferric oxide.
Option 4: Chemically, rust is a non-hydrated ferric oxide.
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile