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.

[EX Q]: 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.
[EX A]: Science

[EX Q]: This figure was worshiped on the Island of Philae. In depictions, a throne symbol often lies atop this deity's head. This deity created a snake out of the earth and had it bite Ra so that Ra would give up his True Name. After a long search, this deity found a box hidden in a tamarisk tree. This goddess reassembled the fourteen (*) pieces of her husband and gave birth to Horus, in order that he would defeat Set. For 10 points, name this Egyptian goddess, the wife and sister of Osiris.
[EX A]: Social Science

[EX Q]: This creator of octave-free teaching pieces known as Gyermekeknek is also responsible for the suite Out of Doors. One piece by this composer is best known for its andante second section, entitled "Through forest aroving, hey-yah! " In addition to Cantata profana, this composer created a piano piece with a movement called "From the Diary of a Fly," a pantomime similar to The Wooden Prince, and a work for Sacher in which a non-standard instrument draws the work to its A-major conclusion. For 10 points, name this composer of Mikrokosmos, The Miraculous Mandarin, and Music for Strings, Percussion & Celesta; a collector of Hungarian folk music.
[EX A]:
Fine Arts