Nitric acid
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Nitric acid is an inorganic compound with the formula HNO3. It is a highly corrosive mineral acid. The compound is colorless, but samples tend to acquire a yellow cast over time due to decomposition i
Fuming nitric acid contaminated with yellow nitrogen dioxide
Nitric acid in a laboratory
Ammonia
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Ammonia is an inorganic chemical compound of nitrogen and hydrogen with the formula NH3. A stable binary hydride and the simplest pnictogen hydride, ammonia is a colourless gas with a distinctive pung
A train carrying anhydrous ammonia
Liquid ammonia bottle
Jabir ibn Hayyan wrote about ammonia in the 9th century
This high-pressure ammonia reactor was built in 1921 by BASF in Ludwigshafen and was re-erected on the premises of the University of Karlsruhe in Germany.