Which one of the following contains maximum percentage of carbon ? A. Cast iron B. Stainless steel C. Wrought iron D. High speed steel

The correct answer is: A. Cast iron

Cast iron is a type of iron that contains a high percentage of carbon. It is a hard and brittle material that is used in a variety of applications, including castings, machine tools, and cookware.

Stainless steel is a type of steel that contains a high percentage of chromium. It is a corrosion-resistant material that is used in a variety of applications, including appliances, cookware, and building materials.

Wrought iron is a type of iron that contains a low percentage of carbon. It is a soft and ductile material that is used in a variety of applications, including nails,