Which of the following statements, if any, is false?
a. Stainless steel contains chromium and nickel, which form protective oxide coatings.
b. Galvanized steel is coated with zinc to form a protective oxide coating.
c. Cathodic protection is a method used to protect steel in buried tanks and pipelines.
d. Chromium and tin are often used to plate steel by forming a durable oxide coating.
e All of the above statements are actually true.