•In the casting of copper as a deoxidizer
•Boron rods used in atomic reactor.
•Boron fiber used in bulletproof jackets,
•In composite material of aircraft
•Used in brain tumor therapy.
•As a flux for soldering metal.
•In borax bead test
•In softening of water
•Manufacturing of enamels of glazes, and tiles.
•For making optical and borosilicate SS.
• Making household, utensils, frames, roofs, aircraft.
• Electric wire.
•Thermite process (In metallurgy of Cr, Mn, Fe)
•For transportin nitric acid.
•AI, Hg used as a reducing agent.
•Aluminium powder + Ammonium nitrate.
•In making telegraph and telephone wires
•Making chamber in HSO, process.
•In the manufacturing of HNO3, NH3, and CaCN2.
•Liquid nitrogen is used as refrigerant.
•Inert atmosphere in metallurgy.
•Gas thermometer and electrical bulb
•Manufacturing HNO3, NaHCO3
• Urea Formation
• Manufacturing of ammonium nitrates fertilizer.
• For making nitroglycerine.
• Making TNT.
• Pickling against stainless steel.
• Etching of Metal
•Oxidizer in rocket fuel.