Condensation Reaction

Any of a class of organic reactions in which two molecules combine, usually in the presence of a catalyst, with elimination of water or some other simple molecule. The combination of two identical molecules is known as self-condensation. Aldehydes, ketones, esters, alkynes (acetylenes), and amines are among several organic compounds that combine with each other and,

Sangrur

City, in southeastern Punjab state, northwestern India. The city was founded in the 17th century and became the capital of the former independent state of Jind. In 1948 it became part of India. Sangrur is an agricultural market with some light industry, including handloom weaving and handicrafts. There are good road and rail connections with the rest of Punjab and with neighbouring

San Justo

Cabecera (principal built-up area) of La Matanza partido (political subdivision), Gran (Greater) Buenos Aires, Arg. It lies directly southwest of the city of Buenos Aires, in Buenos Aires province. In 1856 the poblador (person granted land as an incentive to settle an area) of San Justo, José Gorsch, donated the land for the founding of the town on behalf of the Justo Villegas family.

Aerosmith

American heavy metal band. One of the biggest arena-rock attractions of the late 1970s, Aerosmith became even more popular with its career revival in the mid-1980s. Principal members were Steven Tyler (byname of Steven Tallarico; b. March 26, 1948, New York, New York, U.S.), Joe Perry (b. September 10, 1950, Boston, Massachusetts), Brad Whitford (b. February 23, 1952, Winchester, Massachusetts), Tom Hamilton (b. December

China, The dynasty's founder

Chu Yüan-chang, founder of the new dynasty, came from a family of physiognomists from K'ai-feng who in Yüan times had deteriorated into itinerant tenant farmers in northern Anhwei Province. Orphaned by famine and plague in 1344, young Chu was taken into a small Buddhist monastery near Feng-yang city as a lay novice. For more than three years he wandered as a mendicant through

Mukacheve

Russian  Mukachovo,  also spelled  Mukachevo, or Mukacevo,  Hungarian  Munkács,   city, Zakarpattya oblast (province), western Ukraine, on the Latoritsa River. Its location controls the southern approach to a major pass across the Carpathian Mountains, today followed by road and rail. This position has given Mukacheve a key fortress role in sub-Carpathian Ruthenia since its foundation in the 10th century—mainly during its period of Hungarian rule

Van Diemen Gulf

Inlet of the Timor Sea of the Indian Ocean, indenting Northern Territory, Australia. Measuring 90 mi (145 km) by 50 mi and partially enclosed by Melville Island (northwest) and the Cobourg Peninsula (northeast), it is fronted by the mainland as far west as Cape Hotham (south). Receiving the South and East Alligator and Mary rivers, the gulf has access to the open sea through Clarence

Deng Xiaoping

The son of a landowner, Deng studied in France (1921–24), where he

Chaco War

(1932–35), costly conflict between Bolivia and Paraguay. Hostile incidents began as early as 1928 over the Chaco Boreal, a wilderness region of about 100,000 square miles (259,000 square km) north of the Pilcomayo River and west of the Paraguay River that forms part of the Gran Chaco. The conflict stemmed from the outcome of the War of the Pacific (1879–84), in which Chile defeated Bolivia and annexed that nation's

Avon, River

Also called  East Avon  or  Hampshire Avon  river that rises 3 miles (5 km) east of Devizes, Wiltshire, England, on the north side of the Vale of Pewsey and flows generally southward for 48 miles (77 km) to the English Channel. The river shares the name Avon (derived from a Celtic word meaning “river”) with several other rivers in Great Britain, including the Avon of Bristol (or Lower Avon) and the Avon of Warwickshire (or Upper

Kellermann, François-christophe, Duc (duke) De Valmy

Born into a family of the judicial nobility, Kellermann became an officer in the French Army in 1752. He fought with distinction against the Prussians and British during the Seven Years' War (1756–63) and was subsequently