colourless glass
41Interhalogen — The halogens react with each other to form interhalogen compounds.The general formula of most interhalogen compounds is XYn, where n = 1, 3, 5 or 7 (X is the less electronegative of the two halogens). They are all prone to hydrolysis, and ionise… …
42oxide — oxidic /ok sid ik/, adj. /ok suyd, sid/, n. Chem. a compound in which oxygen is bonded to one or more electropositive atoms. Also, oxid /ok sid/. [1780 90; < F (now oxyde), b. oxygène and acide. See OXYGEN, ACID] * * * I Any of a large and… …
43oxyacid — /ok see as id/, n. Chem. an inorganic acid containing oxygen. Also called oxygen acid. [1830 40; OXY 2 + ACID] * * * ▪ chemical compound Introduction any oxygen containing acid. Most covalent nonmetallic oxides (oxide) react with water to… …
44borax — borax1 /bawr aks, euhks, bohr /, n., pl. boraxes, boraces /bawr euh seez , bohr /. a white, water soluble powder or crystals, hydrated sodium borate, Na2B4O7·10H2O, occurring naturally or obtained from naturally occurring borates; tincal: used as …
45building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… …
46Business and Industry Review — ▪ 1999 Introduction Overview Annual Average Rates of Growth of Manufacturing Output, 1980 97, Table Pattern of Output, 1994 97, Table Index Numbers of Production, Employment, and Productivity in Manufacturing Industries, Table (For Annual… …
47water — n. & v. n. 1 a colourless transparent odourless tasteless liquid compound of oxygen and hydrogen. Usage: Chem. formula: H2O 2 a liquid consisting chiefly of this and found in seas, lakes, and rivers, in rain, and in secretions of organisms. 3 an… …
48Timeline of Islamic science and engineering — This timeline of Islamic science and engineering covers the general development of science and technology in the Islamic world during the Islamic Golden Age, usually dated from the 7th to 16th centuries.From the 17th century onwards, the advances …
49Cameo — For the brief appearance see Cameo appearance. : For the chemical emergency software , see Computer Aided Management of Emergency Operations. : For other uses, see Cameo (disambiguation). Cameo is a method of carving, or an item of jewellery or… …
50Sodium silicate — E550 redirects here. For the Italian locomotive, see FS Class E550 Sodium silicate …
