(a)[1]
Name the principal ore of iron.
(b)[2]
Complete the chemical equation for this process. $\ldots\text{C} + \ldots \rightarrow 2\text{CO}$
(c)[1]
How does this equation indicate that carbon is oxidised?
(d(i))[1]
What type of chemical reaction does this represent?
(d(ii))[2]
What type of oxide is calcium oxide? Give one reason for your answer.
(e)[3]
Give three physical properties that are typical of metals.
(f)[1]
Deduce the molecular formula of this compound so that the numbers of iron, carbon and oxygen atoms are shown.