How Steel is Formed

What type of rock is primarily used to extract crude iron ore?

• Limestone

• Taconite

• Bituminous Coal

• Granite

What is used to remove impurities from the molten iron?

• Water

• Coal

• Limestone

• Sand

What is the purpose of the pickle line in the steelmaking process?

• To add color to the steel

• To clean the surface of the steel

• To form the steel into sheets

• To cool the steel