To describe chemical tests for water and to outline how water treatment works.
To state the composition of air and explore some common pollutants.
To describe the conditions required for rusting and to investigate some methods of rust prevention.
To outline the carbon cycle and describe the greenhouse effect.
To describe and explain the essential conditions and reactions for the Haber process.
To describe and explain the essential conditions and reactions for the contact process.
To describe the thermal decomposition of calcium carbonate to calcium oxide.