Chemistry C2 - The chemistry of sodium chloride

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Sodium chloride, common salt, is a useful raw material. Several useful substances can be obtained from it, including chlorine, hydrogen and sodium hydroxide.

(http://www.bbc.co.uk/schools/gcsebitesize/science/images/52_substances_from_salt.gif)

During electrolysis:

  • chlorine gas forms at the anode (positive electrode)
  • hydrogen gas forms at the…

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