State one use of each of the following non-metals: Hydrogen, carbon (as Graphite), Nitrogen, Sulphur (b)Name the metal which is used in making thermometers.

• Hydrogen is used as fuels in rockets

Carbon is used to make electrodes of electrolytic cells Nitrogen is used to manufacture of ammonia and fertilizers Sulphur is used to make sulphuric acid

• Mercury is used in thermometers