Acids and bases - 9.5.2: The pH scale


Students should…

  • Understand that acid is a general term for a group of chemicals
  • be able to use and predict the effect of indicators on acids and bases.
  • be able to recall the three mineral acids with their formulae and state the salts formed by them.
  • recognise the presence of the H+ ion as the cause of acidity and the OH- ion as the cause of basicity
  • understand the use of moles in calculation of concentration
  • recall and construct equations for the four common reactions of acids.
  • work with care and recognise the dangers associated with corrosive substances.


Expt: The pH scale and universal indicator


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IsisSoft 2014