When iron rusts, it becomes what on the surface?
osculum a metal black pink Elemental invisible hued orange
A B C D E F G H
Chemically, iron is an active metal.
when iron rusts it becomes orange on the surface
When iron rusts, it becomes what on the surface? (A) osculum (B) a metal (C) black (D) pink (E) Elemental (F) invisible (G) hued (H) orange