Thursday, 16 May 2013

5.31 describe important uses of sodium hydroxide, including the manufacture of bleach, paper and soap; and of chlorine, including sterilising water supplies and in the manufacture of bleach and hydrochloric acid.

Sodium Hydroxide: Bleach; paper; soap
Chlorine: sterilising water; bleach; hydrochloric acid


  1. Final part of the specs i guess all there is to do now is to say thank you so much ! You have helped me so much and I really appreciate all the time and effort you put in to make these notes im really greatful you're w wonderful person thanks ! :)

  2. Hannah,
    Your notes make learning chemistry like learning the alphabet, thank you so much for all of you help throughout my two years of chemistry IGCSE, I wish you the best of luck.

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  4. thanks a lot