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.
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Question: Melamine resin is formed by dehydration of this compound, while barbiturates can also be formed by addition of this compound to malonic acid. Other uses of this compound include separation of racemic mixtures. Originally produced by a reaction between silver cyanate with ammonium chloride, it is now made in indusrial quantities by heating carbon dioxide with ammonia. When arginine is split, it forms an ornithine molecule and a molecule of this; the principal end product of mammalian nitrogen metabolism. First isolated by H.M. Rouelle, FTP, name the compound used to disprove the theory of vitalism when, in 1828 Friedrich Wohler, first synthesized it from inorganic materials.

Answer: Science


Question: A character created by this author socializes with Billy through sex with Billy's sister Trudy. In a story by this author, one character achieves masculinity by shooting a lion right before he is shot by his wife; that story features a triangle between Margot, Wilson, and Francis Macomber. His works often feature the theme of "nada" and follow the iceberg theory in omitting detail. He created a character who escapes the battle police and falls in love with Catherine Barkley, and he quoted Gertrude Stein on the Lost Generation for one novel's epitaph. For 10 points, name this writer who created Frederic Henry and Jake Barnes in A Farewell to Arms and The Sun Also Rises.

Answer: Literature


Question: One of this composer's works opens with the sacrifice of a "milk-white steed" to Woden, and later Cupid sings "In spite of cold weather, I've brought you together" as part of a play-within-a-play. That occurs in this composer's collaboration with John Dryden, who wrote the libretto to that semi-opera, King Arthur. This composer also collaborated with Nahum Tate on a full opera in which an evil sorceress, observing the title characters' love, resolves that she can destroy the kingdom by inducing one of them to believe he has a city to found elsewhere. The witch correctly predicts that the abandoned lover will die of grief, which she does after singing the aria "When I am laid in Earth." For ten points, name this English composer, creator of Abdelazer and Dido and Aeneas.

Answer:
Fine Arts