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.

Ninhydrin forms a Schiff base with this chemical, resulting in a hue known as Ruhemanns purple. The Birch reduction takes place in a liquid substrate of it, the reason it is common in methamphetamine labs. The Kjeldahl method uses this molecule as an end-product to measure the amount of nitrogen in a sample, and it is oxidized in the first step of a nitric acid forming procedure, the Ostwald process. For 10 points, name this weak base found in fertilizers, formed by combining hydrogen and nitrogen in a three-to-one ratio in the Haber process.
Science

Sections of this work discuss early Roman law and the Germanic wadium, while it begins with a quote from the Havamal, a portion of the Edda. This work extends the author's first work, a collaboration in which he analyzed analogous ideas in Hinduism and Judaism. Marilyn Strathern critiqued this book from a gender perspective, while Sahlins' article on the "The Spirit of [It]", claimed that its author may have misunderstood an idea called the hau, in which the souls of the people involved in the title ritual become intermingled. The author views the title concept as multivalentthat is, a situation where a single action stands for all of society, called a total prestation. Drawing from Malinowski's study of the kula ring and the institution of the potlatch, for 10 points, identify this sociological work about the titular exchange by Marcel Mauss.
Social Science

Its main character is a hopeless stutterer, taunted by his schoolmates, who eventually becomes an acolyte at a famous temple. However, he becomes obsessed with its beauty, and cannot live in peace until he burns it down. For 10 points, name this novel about Mizoguchi, which is based upon actual events that took place at the Kinkakuji Temple in Kyoto in 1950 and which was written by Yukio Mishima.

Literature