(a(i))[1]
State the name of any iron ore.
(a(ii))[2]
Explain how carbon monoxide is produced in the blast furnace.
(a(iii))[2]
Balance the chemical equation for this reaction. $\text{Fe}_2\text{O}_3 + 3\text{CO} \rightarrow \, ....\text{Fe} + ....\text{CO}_2$
(a(iv))[1]
In what way does this equation show that iron(III) oxide is reduced?
(a(v))[2]
Calculate the relative formula mass of iron(III) oxide, $\text{Fe}_2\text{O}_3$. Show all your working. Use your Periodic Table to help you.
(b(i))[1]
Identify the gas.
(b(ii))[3]
Suggest a practical way to investigate the rate of this reaction by collecting the gas. You may include a labelled diagram in your answer.
(c)[2]
Describe a test for iron(II) ions. State both the test and the result.
(d)[2]
Give two advantages of recycling steel.