The course

• 1

  Start here

  The external examination: 130 minutes and 120 marks in two question booklets of about 65 minutes each, with a data sheet and periodic table and an approved calculator. It has no multiple-choice questions; the timed checks are the course's own four-option format.

  Free: A tour of the chemistry course
• 2

  Topic 1: Monitoring the environment

  5 of the 20 questions on each timed check

  Greenhouse gases, ocean acidification and smogFree: Concentration, stoichiometry and titrationsChromatography and atomic spectroscopy64 questions
• 3

  Topic 2: Managing chemical processes

  4 of the 20 questions on each timed check

  Rates of reaction and energy profilesFree: Equilibrium, Kc and optimising production46 questions
• 4

  Topic 3: Organic and biological chemistry

  7 of the 20 questions on each timed check

  Naming organic compounds; alcohols, aldehydes and ketonesCarboxylic acids and aminesEsters, amides and their polymersCarbohydrates, triglycerides and proteins69 questions
• 5

  Topic 4: Managing resources

  4 of the 20 questions on each timed check

  Fuels, biofuels and fuel cellsWater treatment and soil chemistryPolymers, metals and electrolytic cells66 questions