C2h

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  • Created by: Joanna
  • Created on: 16-01-12 18:03

C2h: Chemicals from the sea: Sodium Chloride Sodium Chloride: - also known a table salt - used as food preservative and flavouring - Important source of chlorine and sodium hydroxide in the chemical industry - Can be removed from the sea or mined from salt deposits. - Mined in Cheshire as a solid, which has lead to subsidence in the area - Also mined by solution mining for the chemical industry Electrolysis: - When concentrated sodium chloride solution is electrolysed, the electrode must be made from unreactive materials as the products are very reactive - This process…

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