Describe the bonding in a metallic element such as iron. You may include a labelled diagram as part of your answer.
Explain why iron conducts electricity in the solid state.
Give two reasons for adding coke to the blast furnace.
Explain how limestone gets rid of the impurities in the hematite.
Write a symbol equation for changing iron(III) oxide into iron in the blast furnace.
Suggest why the iron produced in the blast furnace is in the molten state.
Explain why the structure of alloys makes them harder and stronger than pure metals. You may include a diagram as part of your answer.
Name the substances that combine with iron to make rust.
Name the process in which zinc is applied as a coating to iron to stop rusting.
Explain how the zinc coating stops rusting provided the zinc is not scratched.
Explain how the zinc still keeps rusting at bay.