Instructions: In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.
Input: The Nessler method uses tetraiodomercuriate(II) to determine the amount of this compound present in solution, and a solution of this compound is used as a standard stress corrosion agent for copper and its alloys. Reacting mineralized organic compounds with hot concentrated sulfuric acid, when followed by placing the products in alkaline solution, yields this compound via the (*) Kjeldahl method. Kuhlmann proposed the "status nascendi" theory of this compound's formation, and an accidental explosion prevented Le Chatelier from performing high-pressure synthesis of this compound. This compound reacts with alkyl halides to produce primary amines, and it is produced industrially by the Haber-Bosch process. For 10 points, name this compound with formula NH3, which you probably don't want to be mixing with bleach.
Output:
Science