AMNA has various meanings in the Environment category. Discover the full forms, definitions, and usage contexts of AMNA in Environment.
Chemical combination of nitrogen and hydrogen (NH3). Ammonia is a very efficient refrigerant and identified as R-117. or Ammonia is an inorganic compound comprising nitrogen and hydrogen in the ratio 1:3. Ammonia is produced from hydrocarbons, mainly natural gas, and nitrogen extracted from air. Ammonia occurs both in solution and as anhydrous ammonia, the latter finding its main application in fertilizers.
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