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2 marksNon-Metals

CSEC Chemistry · January 2011 · Paper 2 · Question 5(a)(ii)

Sulphuric acid is prepared industrially via the Contact Process represented in Figure 5.

Explain why concentrated H₂SO₄ is used instead of pure water in Step III of Figure 5.

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Other parts of this question

  1. 5(a)(i)Describe the processes involved in converting sulphur to sulphur trioxide. In your response, a) identify A from Figure 5 b) include TWO balanced chemical…[8 marks]
  2. 5(a)(iii)When sulphur trioxide gets into the atmosphere, it can form acid rain which can destroy buildings made from limestone. Write an ionic equation which BEST…[2 marks]
  3. 5(b)With reference to this figure, explain why diamond is used for cutting and graphite is not.[3 marks]

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