… (NH 4 BO 2 .2H 2 O). Colourless crystals, very soluble in water, efflorescent. Decomposed by heat to give a fusible … Copper borate . Blue crystals, very hard, insoluble in water. Used as a pigment (ceramic colours) and as an … for preserving hides; in the manufacture of household washing preparations, detergents and antiseptics. (2) …
… the pure state, opaque and grey when impure. Decomposed by water to produce acetylene; used for the production of the … coke; transparent yellow crystals or flakes. Decomposed by water to produce methane. (5) Zirconium carbide (ZrC). … and carbon black; disintegrates on contact with air or water. Used in manufacture of lamp filaments. (6) Barium …
… by hand . These works may take the form of oil paintings, wax paintings, tempera paintings, acrylic paintings, water‑colours, gouache paintings, pastels, miniatures, … ). (b) Designs or drawings for fashion models, jewellery, wallpaper, fabrics, furniture, etc., being originals drawn …
… process and the kind of starch used. They are soluble in water (suitably heated, if necessary) but not in alcohol. … of starches into dextrins, prepared by boiling starch in water, or by keeping starch for a long while in contact with … or “swelling” starch , obtained by moistening starch with water and heat-treating it to obtain a more or less …
… motor vehicles, to indicate the temperature of the radiator water, are usually of this type. (3) Expansion or pressure … or more exhausted, corrugated metal capsules, or on a thin‑walled, bent metal tube. The deformation of the capsules or … using the “dewpoint” method (i.e., the temperature at which water vapour begins to condense). (3) Hair hygrometers , …
… Used in organic synthesis, and as a solvent for fats, oils, waxes, gums and resins. (8) Dichlorobutanes . This heading … solid chloroparaffins having the character of artificial waxes are classified in heading 34.04 , while liquid … have a very short atmospheric life and a very low global warming potential (GWP). The majority of HFOs are …
… two and a half times as dense as air, slightly soluble in water and readily liquefied. It is usually transported in steel cylinders, tanks, railway tank wagons or barges. Chlorine destroys colouring and organic … in organic syntheses (e.g., synthetic dyes, artificial waxes, chlorinated rubber). (C) BROMINE Bromine can be …
… (3) Fruit (including fruit‑peel and seeds) preserved in water, in syrup, in chemicals or in alcohol. (4) Fruit … crushed and sterilised, whether or not containing added water or sugar syrup but in a proportion insufficient to … as beverages by addition of a sufficient quantity of water or of sugar syrup, these products fall in …
… have been removed. It also includes wood from which the waste outer layers, consisting of the most recent growths … sheets, etc.; logs for the manufacture of match sticks, woodware, etc. Telegraph, telephone or electrical power … (a) Roughly trimmed wood suitable for the manufacture of walking‑sticks, umbrellas, tool handles or the like ( …
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