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2 marksAluminium

CAPE Chemistry Unit 2 · 2009 · Paper 2 · Question 3(e)(iii)

Purification of aluminium oxide from bauxite ore.

State the colour and appearance of the aluminium hydroxide at C.

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Other parts of this question

  1. 3(a)(i)Define the term 'nitrogen fixation'.[2 marks]
  2. 3(a)(ii)State TWO ways by which nitrogen fixation can occur.[2 marks]
  3. 3(b)Write ONE balanced equation involving nitrogen in the production of acid rain.[2 marks]
  4. 3(c)Suggest TWO human activities which may contribute to the disruption of the atmospheric equilibrium.[2 marks]
  5. 3(d)Suggest TWO reasons why governments are reluctant to take actions to reduce atmospheric pollution.[2 marks]
  6. 3(e)(i)State the colour of the bauxite ore at A.[1 mark]
  7. 3(e)(ii)Name the reagent, B.[1 mark]
  8. 3(e)(iv)State ONE process occurring at D.[1 mark]

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