chemical changes

• Bose


  A substance that releases H+ ions and has a pH below 7
• Ako


  A substance that neutralises an acid and has a pH above 7
• Neutralisation


  When an acid reacts with a base to produce a salt and water
• Carbonates


  Ionic compounds containing Carbon and oxygen
• Salt


  Ionic compound formed when acid and base react
• Metal oxide


  A compound formed when a metal ionically bonds to oxygen
• 1. Keywords


  • Bose
  • Ako
  • Neutralisation
  • Carbonates
  • Salt
  • Metal oxide
• 2. REDOX


  • Change in terms of oxygen
  • Change in terms of electrons (HT ONLY)
  • Reactivity series
  • Oxidation
  • Reduction
• Reactivity series


  The order of elements in terms of the reactivity
• Oxidation


  Gaining oxygen
• Reduction


  Losing oxygen
• 3. The reactivity series

  • Potassium
  • Sodium
  • Calcium
  • Magnesium
  • Aluminium
  • Carbon
  • Zinc
  • Iron
  • Tin
  • Lead
  • Hydrogen
  • Copper
  • Silver
  • Gold
  • Platinum
• Highly reactive metals


  • Extracted by electrolysis
• Soluble


  A substance that dissolves
• Insoluble


  A substance that does not dissolve
• Indicator


  A substance that changes colour when pH changes
• Electrolysis


  Splitting up an ionic substance using electricity
• Molten


  Turned to a liquid
• Solution


  Dissolved in water