Which statement describes the properties of ferrous metals?

• A. They do not contain iron
• B. They are non-magnetic
• C. They are poor conductors of electricity
• D. They contain iron

Answer: (D)

Ferrous metals are defined by containing iron, whether as iron itself or in an alloy like steel or cast iron. That’s why the statement that they contain iron is correct. Ferrous materials are typically magnetic due to iron’s properties, and they conduct electricity well, so describing them as non-magnetic or as poor conductors would be inaccurate. Saying they do not contain iron contradicts the very meaning of “ferrous.”