Nitric acid is a strong, colorless acid with the chemical formula HNO3. It is highly corrosive and can cause severe burns upon contact with skin. Nitric acid is commonly used in the production of fertilizers, explosives, and in various industrial processes. In addition to its industrial applications, nitric acid plays a role in the manufacture of nitric oxide, which is important for various biological functions. It is also used in laboratories for chemical reactions and analysis. Due to its reactive nature, proper safety precautions are essential when handling nitric acid.