However, it contains only one independent clause. Cold dilute nitric acid dissolves zinc as nitrate, with evolution of nitrous oxide. 3. Traducir zinc de Inglés a español. In the wider compartments are placed sieves having sixteen holes to the square inch and bearing zinc turnings. Sherard Cowper Coles patented a process in which, working with a high current density, a lead anode is used, and powdered zinc is kept suspended in the solution to maintain the proportion of zinc in the electrolyte, and so to guard against the gradual acidification of the bath. It combines with many metallic sulphates (silver, zinc, cobalt, nickel, &c.) to form double sulphates of the type Cs2S04 RS04.6H20. Translate zinc into Spanish. Words often used with zinc in an English sentence: amount of zinc, zinc deficiency, zinc mine, zinc oxide, zinc plate Ulcerated lesions may require topical antimicrobials and antifungal agents, barrier agents such as zinc … Wohler reduced the sesquioxide by zinc, and obtained a shining green powder of specific gravity 6.81, which tarnished in air and dissolved in hydrochloric acid and warm dilute sulphuric acid, but was unacted upon by concentrated nitric acid. Chablay, Comptes rendus, 1906, 1 43, p. 123) 2CH 2 :CH CH 2 OH+2NH 3 Na = CH,:CH CH3+CH2:CH CH20Na +NaOH+2NH31 from the lower members of the series by heating them with alkyl halides in the presence of lead oxide or lime: C5H,9-I-2CH31 =2H1+ C 7 H, 4 i and by the action of the zinc alkyls upon the halogen substituted olefines. The chief exports are sheep and oxen, most of which are raised in Morocco and Tunisia, and horses; animal products, such as wool and skins; wine, cereals (rye, barley, oats), vegetables, fruits (chiefly figs and grapes for the table) and seeds, esparto grass, oils and vegetable extracts (chiefly olive oil), iron ore, zinc, natural phosphates, timber, cork, crin vegetal and tobacco. 10 examples: It is remarkable that some entities on the two pages show a slightly different… Definition of Zeal eagerness and ardent interest in pursuit of something Examples of Zeal in a sentence The athlete’s zeal gave him the energy to reach the top of the mountain. It is a colourless gas, which is practically odourless, but possesses a sweetish taste. FRANKLINITE, a member of the spinel group of minerals, consisting of oxides of iron, manganese and zinc in varying proportions, (Fe, Zn, Mn)"(Fe, Mn) 2"'0 4. : an infusible white solid ZnO used especially as a pigment, in compounding rubber, and in pharmaceutical and cosmetic preparations (such as ointments and sunblocks) Examples of zinc oxide in a Sentence Recent Examples on the Web Mineral sunscreens achieve their SPF with physical blockers, like titanium dioxide and zinc oxide. Study vocabulary in context. Zinc is a metallic element with a blue-white color used as a protective coating for iron and to make metal alloys like nickel silver. The objection that a copper plate shows signs of wear after a thousand impressions have been taken has been removed, since duplicate plates are readily produced by electrotyping, while transfers of copper engravings, on stone, zinc or aluminium, make it possible to turn out large editions in a printing-machine, which thus supersedes the slow-working hand-press. Creo haber acertadoal preferir … The possibility of continuously varying the percentage composition suggests analogy between an alloy and a solution, and A. 2. When the solution of the rhodium-zinc alloy is treated with hydrochloric acid, a residue is left which undergoes a change with explosive violence if it be heated in vacuo to 400°. Many of the sentences have audio, too. To the filtrate from the aluminium, iron and chromium precipitate, ammonia and ammonium sulphide are added; the precipitate may contain nickel, cobalt, zinc and manganese sulphides. Both cuticularized and suberized membranes are insoluble in cuprammonia, and are colored yellow or brown in a soltition of chlor-iodide of zinc. Zinc is capable of isomorphously replacing many of the bivalent metals - magnesium, manganese, iron, nickel, cobalt and cadmium. Before being placed in the cells the zinc plates were weighed. ); it is soluble in water and has strongly basic properties and an alkaline reaction. When the verb is in the active form, the subject of the sentence is the "do-er" or agent—who or what—that causes the action. Silver bullion, and the copper, tin and zinc required to make up bronze, are bought by the Mint and manufactured into coin, which is kept in stock and issued as it may be required. This precipitate is converted into gallium sulphate and finally into a pure specimen of the oxide, from which the metal is obtained by the electrolysis of an alkaline solution. It forms needles which melt at 160° C. (3-Naphthoic acid, obtained b y boiling 0-methylnaphthalene with dilute nitric acid, or by hydrolysis of its nitrile (formed when formyl-0-naphthalide is heated with zinc dust), crystallizes from alcohol in needles which Nitrosonaplithols or naphthoquinone-oxames, C 1 oH 6 (OH)(NO) or melt at 184° C. C 1 oH 6 (: NOH): 0. Lead and zinc are mined in small quantities near Marion in Crittenden county and elsewhere in connexion with mining for fluorspar; in 1907 the output was 75 tons of lead valued at $7950 and 358 tons of zinc valued at $4 2, 2 44. These plates were connected by means of a german-silver shunt, their size and the distance between them being so adjusted that about ii 0 - 0 - part of the current passing through the meter travelled through the electrolytic cell and -j o i j of the current passed through the shunt. In the Transvaal the operation occupies 32 to 4 days for fine sands, and up to 14 days for coarse sands; the quantity of cyanide per ton of tailings varies from 0.26 to 0.28 lb, for electrolytic precipitation, and o 5 lb for zinc precipitation. Through an orifice in the outlet pipe (which is closed during the distillation by a loose plug) a hot iron rod can be introduced from time to time to clear away any solid zinc that may threaten to obstruct it. A yellowish powdery mixture of zinc and lead oxides collects on the lead; it is skimmed off and sold as paint. However, you need to apply proper grammar rules in any sentence. He was involved in oil, z Yes, I'd like to receive Word of the Day … Zinc and hydrochloric acid in the cold convert it into alloxantin, hydroxylamine gives nitroso-barbituric acid, C 4 H 2 N 2 0 3: NOH, baryta water gives alloxanic acid, C 4 H 4 N 2 0 5, hot dilute nitric acid oxidizes it to parabanic acid, hot potassium hydroxide solution hydrolyses it to urea and mesoxalic acid and zinc and hot hydrochloric acid convert it into dialuric acid, C4H4N204. Neumann, who, in 1831, deduced from observations on many carbonates (calcium, magnesium, ferrous, zinc, barium and lead) that stoichiometric quantities (equimolecular weights) of compounds possess the same heat capacity. B. Hydrogen Gas Is Released In The Reaction And Is Highly Explosive. Perhaps now you are beginning to understand the importance of trace minerals. Vitamins and minerals – zinc and vitamin C were high on the list, and some herbs. It is formed when the vapours of toluene, stilbene, dibenzyl, ortho-ditolyl, or coumarone and benzene are passed through a red-hot tube; by distilling morphine with zinc dust; and, with anthracene, by the action of sodium on ortho-brombenzyl bromide (C. L. The reaction is a general one for all aldehydes with zinc methyl and zinc ethyl, but not with the higher zinc alkyls. In recent years, lead and zinc production has been unprofitable. The following table shows several examples. The hydroxide Be(OH)2 separates as a white bulky precipitate on adding a solution of an alkaline hydroxide to a soluble beryllium salt; and like those of aluminium and zinc, this hydroxide is soluble in excess of the alkaline hydroxide, but is reprecipitated on prolonged boiling. People with cancer may have an increased need for zinc, and anorexics may not receive adequate dietary sources of zinc. To obtain a product free of Cl or S04, there must be an excess of alkali and the zinc salt must be poured into the hot solution of the carbonate. If zinc be cast into a mould at a red heat, the ingot produced is laminar and brittle; if cast at just the fusing-point, it is granular and sufficiently ductile to be rolled into sheet at the ordinary temperature. Recent Examples on the Web High-dose calcium supplements may decrease zinc absorption, and taking zinc sulfate with … Special care was taken to include all the hydrogen bonds between the zinc ligands and the surrounding residues. The subject is a grammatical term used to describe the nouns, pronouns, and noun phrases that occur before the verb in a sentence. The extent and value of the deposits of zinc ore in the Saucon Valley, Pennsylvania, had also just become known in 1850. Potassium, for example, yields peroxide, K202 or K204; sodium gives Na202; the barium-group metals, as well as magnesium, cadmium, zinc, lead, copper, are converted into their monoxides MeO. Good rich compost will … It thus resembles magnetite in external characters, but is readily distinguished from this by the fact that it is only slightly magnetic. Then put the carbon and zinc elements in place. The name blende was used by G. The substance is usually optically isotropic, though sometimes it exhibits anomalous double refraction; fibrous zinc sulphide which is doubly refracting is to be referred to the hexagonal FIG. The next group precipitate may contain the white gelatinous aluminium hydroxide, the greenish chromium hydroxide, reddish ferric hydroxide, and possibly zinc and manganese hydroxides. 5. ZINC, a metallic chemical element; its symbol is Zn, and atomic weight 65.37 (0= 16). GALVANIZED IRON, sheet iron having its surface covered with a thin coating of zinc. According to Christy, the precipitation with zinc follows equations for 2 according as potassium cyanide is present or not: (1) 4 KAu(CN)2+4Zn+2H20=2Zn(CN)2+ K 2 Zn(CN) 4 +Zn(OK) 2 +4H+4Au; (2) 2KAu (CN) 2 +3Zn+4KCN+2H 2 0 = 2K 2 Zn(CN) 4 +Zn(OK) 2 +4H+2Au; one part of zinc precipitating 3.1 parts of gold in the first case, and 2.06 in the second. If sulphuric acid be added to the vessel containing the zinc, these conditions are unaltered and still no zinc is dissolved. of zinc, all the gold and copper and some silver and lead will be alloyed with the zinc to a so-called gold - or copper - crust, and the residual lead saturated with zinc. It may be prepared from osmiridium by fusing the alloy with zinc, the zinc being afterwards removed by distillation. The yield of lignite is less than 100,000 tons annually; of zinc 10,000 to 12,000 tons; of copper and lead small. - This process depends upon the solubility of gold in a dilute solution of potassium cyanide in the presence of air (or some other oxidizing agent), and the subsequent precipitation of the gold by metallic zinc or by. This process involves a decrease in the available energy of the system, for the dissolution of zinc gives out more energy than the separation of copper absorbs. and is readily soluble in water, but the solution is unstable and decomposes on standing, giving amorphous insoluble substances, and ammonium formate, oxalic acid, &c. An aqueous solution of hydrogen peroxide converts it into oxamide, (CONH 2) 2, and reduction by zinc and hydrochloric acid gives methylamine. There are many diverse influences on the way that English is used … A very similar fact, that brass may be formed by electrodeposition from a solution containing zinc and copper, has long been known. Hermite, which consisted in the production of bleach-liquors by the electrolysis (according to the 1st edition of the 1884 patent) of magnesium or calcium chloride between platinum anodes carried in wooden frames, and zinc cathodes. of mercury, in which stands a stout zinc rod. With bromine in acetic acid solution at ordinary temperature, nicotine yields a perbromide, C10H10Br2N20 HBr 3, which with sulphur dioxide, followed by potash, gives dibromcotinine, C10H10Br2N20, from which cotinine, C10H12N20, is obtained by distillation over zinc dust. The sodium compound was first obtained by Wohler on reducing sodium tungstate with hydrogen; coal-gas, zinc, iron or tin also effect the reduction. The manufactures are insignificant; and although silver, copper, iron, zinc, lead and marble are said to exist in considerable quantities, the only ores that have been worked are gold, silver and copper. It may also be precipitated as zinc ammonium phosphate, NH4ZnP04, which is weighed on a filter tared at 100°. How to say zinc in English? Among engravings of the same time are three Madonnas, the apostles Thomas and Paul, a bagpiper and two peasants dancing, and three or four experiments in etching on plates of iron and zinc. The names of chemicals are not capitalized unless they are the first word of a sentence. This dissolves out the zinc. Compact zinc is bluish white; it does not tarnish much in the air. Zinc -air batteries still involve trade-offs, though. Zinc being more electro-positive even than nickel, all the heavy metals must be removed before its deposition is attempted. The minerals of Siam include gold, silver, rubies, sapphires, tin, copper, iron, zinc and coal. A zinc coating is applied to the steel for rust protection. Note that prefixes such as Tris- and Bis-(which are not commonly italicized) are considered part of the name. 276+6 sentence examples: 1. Molybdenum sesquioxide, Mo 2 O 3, a black mass insoluble in acids, is formed by heating the corresponding hydroxide in vacuo, or by digesting the trioxide with zinc and hydrochloric acid. "Pewter" (q.v.) Four types of sentence structure . It can lift rate of zinc reclamation, disjoin the lead and zinc. of zinc, in which the zinc alone, estimated at 2d. The magnetic concentrates contain enough zinc to be well adapted to the manufacture of zinc oxide. Sand, Ber., 1900, 33, pp. 20 examples: Congenital malformations resulting from zinc deficiency in rats. How to use aspirin in a sentence. There are many other valuable ores - copper, iron, lead, zinc, antimony, chrome and manganese. Sentences Mobile. Stratoni lead and zinc mines were condemned recently after a nearby gold mine … The mineral wealth of Baden is not great; but iron, coal, zinc and lead of excellent quality are produced, and silver, copper, gold, cobalt, vitriol and sulphur are obtained in small quantities. The industries of the Lake District include slate quarrying and some lead and zinc mining, and weaving, bobbin-making and pencil-making. After a time the flame becomes dazzling white, showing that zinc vapour is beginning to escape. zinc with solutions of copper salts), the thermal effect is practically independent of the nature of the acid radical in the salt employed. by acting on triphenylmethane chloride (from triphenylmethane carbinol and phosphorus pentachloride, or from carbon tetrachloride and benzene in the presence of aluminium chloride) and its homologues with zinc, silver or mercury. Thalassemia is the most common inherited disorder causing anemia in India. of zinc enough sulphur is liberated to produce one ton of strong sulphuric acid, and unless this is collected not only are poisonous gases discharged, but the waste is considerable. - For the history of zinc see Bernard Neumann, Die Metalle (1904); A. The electromotive force of each cell is i 07 volts and the resistance 3 ohms. Simultaneously Hermann, a German chemical manufacturer, discovered the new metal in a specimen of zinc … Another very excellent method of vulcanizing cut sheet goods consists in placing them in a solution of the polysulphides of calcium at a temperature of 140° C. Rubber employed for the manufacture of cut sheets is often coloured by such pigments as vermilion, oxide of chromium, ultramarine, orpiment, antimony, lamp black, or oxide of zinc, incorporation being effected either by means of the masticator or by a pair of rollers heated internally by steam, and so geared as to move in contrary directions at unequal FIG. Question: When Adding Hydrochloric Acid (HCl) To Zinc, In One Sentence Explain Why A Lit Bunsen Burner Should Not Be In The Fume Hood. Such was the case not only with some metals, such as lead, zinc, copper, but still more strikingly with textile materials such as wool, flax, and the like, and most of all with agricultural products such as grain, meat and meat products, timber. 276+6 sentence examples: 1. About 90% of the zinc produced in Europe is yielded by Belgium and Germany. Zinc Meaning in Hindi: Searching of meanings in Hindi can be beneficial for the efficient understanding of the context. Then put the carbon and zinc elements in place. Aspirin definition is - a white crystalline derivative C9H8O4 of salicylic acid used for relief of pain and fever. Characteristic, also, is their action on a photographic plate, and the phosphorescence which they occasion when they impinge on zinc sulphide and some other salts. They do not represent the opinions of Surface modification treatment on pure magnesium was conducted at 400 by vacuum solid zinc - yttrium co - diffusing. It may also be prepared by heating a mixture of carbon, oxide of iron and magnesite to bright redness; and by heating a mixture of magnesium ferrocyanide and sodium carbonate, the double cyanide formed being then decomposed by heating it with metallic zinc. Goldschmidt, Ber., 1888, 21, p. 2578), and on reduction with zinc dust (preferably in alcoholic acetic acid solution) they yield usually a hydrazine and an amine. 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