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3 marksNon-Metals

CSEC Chemistry · January 2014 · Paper 2 · Question 5(b)(i)

Figure 4 represents part of the water cycle. Water enters and leaves the atmosphere readily.

Identify TWO physical processes by which water leaves the atmosphere and ONE physical process by which water enters the atmosphere.

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Other parts of this question

  1. 5(a)(i)Name the TWO by-products.[2 marks]
  2. 5(a)(ii)a)Write balanced ionic equations for the production of chlorine.[2 marks]
  3. 5(a)(ii)b)Write balanced ionic equations for the production of ONE of the named by-products in (i) above.[2 marks]
  4. 5(b)(ii)Explain ONE way in which this may affect the water cycle.[2 marks]
  5. 5(c)(i)Write a balanced chemical equation to show the action of heat on the hydroxide of R.[1 mark]
  6. 5(c)(ii)Predict what will happen to the carbonates of R and T when heated strongly.[2 marks]
  7. 5(c)(iii)State a reason why it is more likely to find R rather than T combined with other substances in nature.[1 mark]

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