instruction:
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.
question:
One of these organic compounds is converted to an alkene by a diorganochromium compound in the Takai olefination. Compounds may be reduced to this functionality via the use of DIBAL-H (die-bahl aitch), and alkynes are formed by a reaction of these compounds with tetrabromomethane and triphenylphosphine named for Corey and Fuchs. When these organic compounds lack a hydrogen atom in the alpha position, their disproportionation can be induced by a base in the Cannizzaro reaction. These organic compounds are oxidized to carboxylic acids by a diamminesilver (I) complex, leading to the precipitation of metal onto the inside of the vessel, giving the positive "silver mirror" result of the Tollens test. For 10 points, name this special class of ketones with one R group being just hydrogen.
answer:
Science


question:
Mobility is related to the zeta potential, dielectric constant, and this quantity in the Smoluchowski equation. For gases, the variation of this quantity with temperature is given by Sutherland's formula. Measured with a Zahn cup, this quantity is squared in the Grashof number, and the ratio of this quantity to thermal diffusivity is the Prandtl number. When this quantity is zero, the Euler equations correspond to the NavierStokes equations. Reynolds number is the ratio of inertial forces to this quantity, which is constant for Newtonian fluids. Measured in poise [PWAHZ], this quantity is zero for superfluids. For 10 points, name this internal friction of a fluid that tends to resist its flow.
answer:
Science


question:
This rulers inscription at Nakshi Rustam, where his tomb is located, is believed to mention his trade with Carthage, while his inscription at Suez mentions his building a canal from the Nile to the Red Sea, and his inscription at Behistun seeks to legitimate his rule. According to Herodotus, he came to power because his horse was the first to neigh at dawn. Admirals under his command included the explorer Scylax, who sailed the Indus, as well as Datis, who was defeated at a land battle by Miltiades, halting a military campaign which would be continued by this mans son, as well as by Mardonius. Preceded by Psuedo-Smerdis and Cambyses I, this is, FTP, what Persian King who launched the first expedition against Greece
answer:

History