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CSEC Chemistry · January 2018 · Paper 2 · Question 6(b)

Water exists in liquid, solid and gaseous states. Describe a laboratory test for water vapour.

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  1. 6(a)List FOUR unique properties of water as it relates to the human body.[4 marks]
  2. 6(c)Write a balanced chemical equation, including state symbols, to show the removal of temporary hardness from water using this treatment.[3 marks]
  3. 6(d)Predict the ions that will migrate to the anode and cathode during the electrolysis of dilute sulfuric acid (acidified water). Write a balanced chemical…[6 marks]

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