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6 marksElectrochemistry

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

Pure water does not conduct electricity but can be acidified using dilute sulfuric acid for this to occur.

Predict the ions that will migrate to the anode and cathode during the electrolysis of dilute sulfuric acid (acidified water). Write a balanced chemical equation, including state symbols, for the electrolysis of dilute sulfuric acid (acidified water).

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Other parts of this question

  1. 6(a)List FOUR unique properties of water as it relates to the human body.[4 marks]
  2. 6(b)Water exists in liquid, solid and gaseous states. Describe a laboratory test for water vapour.[2 marks]
  3. 6(c)Write a balanced chemical equation, including state symbols, to show the removal of temporary hardness from water using this treatment.[3 marks]

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