Nitric acid
Reactions
2 HNO3 ⇌ NO+ 2 + NO− 3 + H2O Nitric acid reacts with most metals, but the details depend on the concentration of the acid and the nature of the metal. Dilute nitric acid behaves as a typical acid in its reaction with most metals. Magnesium, manganese, and zinc liberate H2:
Nitric acid-18