Aluminium is an element in Group III of the Periodic Table.

1. (a)Aluminium is used to make containers for food because it does not react with water. State and explain, in terms of its properties, one other large-scale use of aluminium. large-scale use explanation[1]
2. (b)Explain why aluminium does not react with cold water.[2]
3. (c)Describe, with the aid of a labelled diagram, the metallic bonding in solid aluminium.[2]
4. (d)Aluminium is manufactured by the electrolysis of aluminium oxide dissolved in molten cryolite. Write the ionic equations for the reactions at the cathode and at the anode. cathode anode[2]
5. (e)A sample of 2.34 g of aluminium is reacted with 50.0cm³ of 2.00mol/dm³ sulfuric acid. 2Al(s) + 3H2SO4(aq) → Al2(SO4)3(aq) + 3H2(g) Show by calculation that the aluminium is in excess in this reaction.[3]