GRADE 12: CHEMICAL SYSTEMS
Section	Sub-section
THE CHEMICAL INDUSTRY
The petroleum industry	What is petroleum? Petroleum refining Cracking Catalytic reforming The Fischer-Tropf process
The chloralkali and Solvay processes	Introduction Electrolysis of sodium chloride Manufacture of soap The Solvay process
The polymer industry (1)	Polyvinyl chloride Other addition polymers
The polymer industry (2)	Condensation polymers Nylon Other condensation polymers
The fertiliser industry	Introduction Nitrogen Phosphorus Potassium NPK values Magnesium
Ammonia - Nitric acid - Sulphuric acid	Introduction Ammonia Nitric acid Sulphuric acid
Electrochemical cells	The dry cell (Leclanché cell) The lead-acid accumulator The fuel cell