Equation 1 represents carbon burning in the blast furnace. Name the substance that provides the carbon for this reaction.
State the purpose of burning carbon in the blast furnace.
Calculate the percentage by mass of iron in iron(III) oxide, Fe2O3.
State the name of the iron ore that is mainly iron(III) oxide.
Describe how carbon monoxide is produced in the blast furnace.
Write the symbol equation for the reaction when iron(III) oxide is changed into iron in the blast furnace.
Name the chemical process that occurs to iron when iron(III) oxide is turned into iron in the blast furnace.
State the type of reaction shown by equation 2.
Explain why the reaction in equation 3 is an acid-base reaction.
State the chemical name of SiO2 and the common name used for CaSiO3 when it is formed in the blast furnace.
State the reason aluminium is not extracted from its ore in a blast furnace.
Name the process used to obtain aluminium from its ore.
Write the electronic configuration of an Al3+ ion.
Deduce the number of protons and electrons in an Fe3+ ion.