Nitrogen:

Another chemical that is essential for a lot of processes in industrial manufacturing. Nitrogen is produced on a very large scale every year with the help of the fractional distillation process. Nitrogen is combined with hydrogen for manufacturing ammonia, which is among the most crucial chemicals in the industry. Other uses of nitrogen include the production of fertilizers and fabrics, creating an unreactive atmosphere to preserve food. Its also used for creating dyes and explosives. For medical research and preservation as well, nitrogen is important.