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Ammonia is a colourless gas with a characteristic pungent smell. Its solution in water is called ammonium hydroxide or household ammonia.
Atmospherical nitrogen is bound by bacteria and used by living organisms in the form of various compounds.
Large-scale ammonia production requires high temperature and pressure and the presence of iron as a catalyst.
Amino acids are the monomers of proteins.
A compound ion, the main source of nitrogen for plants.
A colourless, odourless, non-reactive gas, it constitutes 78.1% of Earth´s atmosphere.
A colourless, heavier-than-air gas, an intermediate in the production of nitric acid.
A reddish-brown toxic gas, very reactive due to its unpaired electron.
Ammonium chloride is the result of the reaction of ammonia and hydrogen chloride
An exercise about compound ions.
Potassium permanganate is used as a disinfectant.