Quelpr
2 marksAluminium

CAPE Chemistry Unit 2 · 2013 · Paper 2 · Question 6(b)(ii)

Describe two environmental consequences caused by the named pollutant in (b)(i).

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 6(a)Describe the Bayer process for extracting aluminium oxide from bauxite ore. Include two balanced chemical equations in your description.[7 marks]
  2. 6(b)(i)Name an environmental pollutant produced as a by-product during the extraction of alumina from bauxite.[1 mark]
  3. 6(c)(i)Write balanced ionic half-equations for the reactions occurring at the cathode and the anode during the Hall-Héroult electrolytic process.[2 marks]
  4. 6(c)(ii)a)Outline one reason for the high economic/energy cost associated with the extraction of aluminium by electrolysis.[1 mark]
  5. 6(c)(ii)b)Suggest two reasons why the recycling of aluminium is important.[2 marks]

More practice: the rest of this paper · more Aluminium questions · all CAPE Chemistry Unit 2 past papers