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3 marksCrude Oil

CAPE Chemistry Unit 2 · 2011 · Paper 2 · Question 3(d)

State THREE uses of the products of cracking in the manufacture of petrochemicals.

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Other parts of this question

  1. 3(a)Outline the THREE principles of the primary distillation of crude oil.[3 marks]
  2. 3(b)(i)Define the term 'cracking'.[1 mark]
  3. 3(b)(ii)Define the term 'reforming'.[1 mark]
  4. 3(c)Write the balanced equation representing the cracking of octane to produce two hydrocarbons, one of which is butane.[2 marks]
  5. 3(e)(i)State the names of the substances A and B in the suspension.[2 marks]
  6. 3(e)(ii)State what would be observed after a period of time in the conical flask and the beaker.[2 marks]
  7. 3(e)(iii)Give a reason why very high temperatures must be avoided during fermentation.[1 mark]

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