(a(i))[1]
Name the principal ore of iron used in the blast furnace.
(a(ii))[1]
Name the substance blown into the blast furnace at A.
(a(iii))[1]
Name the substance that comes out of the blast furnace at B.
(a(iv))[2]
Give two reasons why coke is used in the blast furnace.
(b)[1]
Deduce the formula of the anion in FeS$_2$.
(c(i))[2]
Give two properties from the list that make iron different from Group I elements.
(c(ii))[2]
Give two properties from the list that iron shares with Group I elements.
(d(i))[2]
Explain how the magnesium blocks stop the iron from rusting.
(d(ii))[1]
Explain why swapping the magnesium blocks for copper blocks will not stop the bottom of the boat from rusting.