Stainless Steel Is Less Susceptible to Rusting Than Iron Because

Multiple Choice

Stainless steel is less susceptible to rusting than iron because ________

A) it is coated with plastic.
B) the metals other than iron in the alloy form protective oxides.
C) the carbon within the alloy polymerizes to form a protective film.
D) the silicon within the alloy oxidizes to form a protective silicate layer.
E) the intermetallic compound formed is less reactive.