The manufacture of ammonia by the Haber Process . . .
 
Manufacturing ammonia from hydrogen and nitrogen.  Some uses of ammonia.
 
The manufacture of sulfuric acid by the Contact Process . . .
 
Manufacturing sulfuric acid starting from sulfur.  Some uses of sulfuric acid.
 
Limestone, quicklime and slaked lime . . .
 
Limestone and its uses.  The production and uses of quicklime (calcium oxide) and slaked lime (calcium hydroxide.
 
Iron and steel production . . .
 
The blast furnace extraction of iron from its ores, and the basic oxygen method of producing steel.  Uses of the various sorts of iron and steel.
 
The rusting of iron . . .
 
The conditions needed for iron to rust, and ways of preventing it.
 
Aluminium . . .
 
Extracting aluminium from purified bauxite.  Uses of aluminium