(i) Neon is used in discharge tubes and fluorescent bulbs for advertisement is play purposes.
(ii) It mixed with helium it is used to Protect electrical instruments from high voltages.
(iii) It it also used in beacon lights for safety of air navigation as the light possesses fog and storm - penetrating power.
(iv) Neon light is used in botanical gardens as it stimulates growth and helps the formation of chlorophyll.