Ammonia is a molecule composed of four atoms, three of them being hydrogen atoms, which are all attached to a nitrogen atom. Ammonia is made through a process known as the Haber process. This process is named after its inventor, Fritz Haber.
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Ammonia is made from nitrogen and hydrogen in the ratio 1:3. It is used in the production of fertilisers, a source of protein in livestock feeds, manufacture of nitric acid and as a source of hydrogen for fuel cells.