Activity is practiced for the production of alkaline materials, either gaseous or liquid Manufacturing of Ammonia and Caustic Soda falls under this activity Ammonia or ammonia is alkaline gas has no color. Made up of one nitrogen and three parts hydrogen portion, which is lighter than air and has a characteristic pungent odor. It is the chemical symbol NH3 and attends the distillation of coal or some nitrogenous substances. Ammonia gas does not burn in the air, but it ignites in oxygen occurs flame yellow weak.