• A brand new AS Practical – a third tried and tested acid-base titration (finding the concentration of sodium hydroxide using the primary standard sulfamic acid)
  • A new GCSE Practical on cracking – using safer microscale methods
  • A couple of more straightforward introductory GCSE excercises – one on writing half equations and one on the potential difference in cells
  • Also an extra GCSE Revision sheet on rates and equilibria (revision sheet 34) 
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