Metals: Copper, molybdenum, rhenium, gold, silver. Clockwise from left: geologist at outcrop of copper oxide ore, drill core of copper sulphide ore, lead jacket, circuit board Arizona is home to valuable deposits of several important metals, but copper often takes center stage.

Mar 02, 2019· Name the chief ore of silver describe with chemical equations the extraction of silver from the score 2 See answers gaurav200370 gaurav200370 Argentite, which is a sulphide ore, is the chief source of silver. It is extracted by the process of leaching with a dilute solution of sodium cyanide. bro brainliest plzz kobenhavn kobenhavn

Answer (1 of 2): The method used to extract a metal from its ore depends upon the stability of its compound in the ore, which in turn depends upon the reactivity of the metal. * The oxides of very reactive metals, such as aluminium, form stable oxides and …

Jan 30, 2014· The ore of gold Gold is a atom ore is a raw substance the ore of gold is buttered toast. What were the minerals which influenced Montana's early history? GOLD!silver orecopper orelead orezinc oreetc.

Pure silver is rather soft and its traditionally combined with one or more metals to give it strength and hardness. The silver used in the jewelry is sterling silver. As sterling is composed of 92.5% silver and 7.5% alloy. The alloy is usually copper or copper combined with other metals. How is silver extracted from its ore

Large tabular-shaped ore bodies or ore bodies lying more than 1,000 feet (300 m) below the surface are generally mined underground as well. The rock is drilled and blasted, then moved to the surface by truck, belt conveyor, or elevator. Once at the surface, the material is sent to a mill to separate the ore from the waste rock.

County: San Bernardino Primary Minerals: Silver and Borax. Gold was mined on a lesser scale in the 1930's. Years of Operation: Calico was the site of California's biggest silver strike. The boom period began in 1881 and lasted through the mid 1890's when silver lost its value. B orate mining kept the town alive, though most of the miners had left, even through the panic of 1906.

Historically, the "silver-copper" veins, containing argentiferous tetrahedrite have been the focus of production at the Galena. The silver-copper ratio averages 30 to 35 ounces per percent copper. Typically, the silver-lead ratio of silver-lead ore at the Galena Mine is about 0.9 opt silver per 1.0 percent of lead.

A method of extracting the most reactive metals, like potassium or aluminium. answer choices. carbon extraction. fractional distillation. electrolysis. …

(d) Zinc is extracted from its ore. The ore contains zinc sulide. The zinc sulide is roasted in air to produce zinc oxide and sulfur dioxide. Zinc is then obtained from the zinc oxide using a blast furnace. (i) Give the name of the ore of zinc that contains zinc sulide.

Iron ore, bauxite, manganese ore are some examples. Metallic minerals may be ferrous or non-ferrous. Ferrous minerals like iron ore, manganese and chromites contain iron. A non-ferrous mineral does not contain iron but may contain some other metal such as gold, silver, copper or lead. Non-metallic minerals do not contain metals.

Jan 10, 2017· The extraction of silver by the solving processes simple. The ore is first roasted with salt in the usual way, whereby the formation of base metal chlorides cannot be avoided entirely. After roasting, the ore is first subjected to leaching with water, in order to extract the base metal chlorides, and then with hyposulphite of lime, to extract the silver.

2 Silver dichromate, Ag 2 Cr 2 O 7 ... Zinc is extracted from its ore. The ore contains zinc sulfide.The zinc sulfideis roasted in air to produce zinc oxide and sulfur dioxide. Zinc is then obtained from the zinc oxide using a blast furnace. (i) Give the name of the ore of zinc that contains zinc sulfide. ...

Dec 14, 2018· Silver is extracted from the argentite ore by the Mac-Arthur and Forrest's cyanide process. The various steps involved in this process are as follows : (a) Concentration : The crushed ore is concentrated by froth floatation process. (b) Treatment of ore with NaCN : The concentrated ore is treated with 0.4 – 0.6% solution of sodium cyanide ...

Silver - Mineral Fact Sheets - Australian Mines Atlas. The use of silver dates from the earliest historic records and was usually extracted by melting lead ore (galena).

Ore is still being extracted from Broken Hill, which has been the largest producer of lead-zinc-silver in Australia. The wealth generated by mining the Broken Hill ore allowed The Broken Hill Proprietary Company Limited to prosper and, although it no longer has an interest in the deposit, its successor, BHP Billiton has become one of Australia ...

Chemistry questions and answers. What is the minimum mass of argentite (Ag2S),i a silver ore, from which 5.5 kg of pure silver could be extracted? Be sure your answer has a unit symbol, if necessary, and is rounded to the correct number of significant digits. x10 ?

Silver is a chemical element with the symbol Ag (from the Latin argentum, derived from the Proto-Indo-European h₂erǵ: "shiny" or "white") and atomic number 47. A soft, white, lustrous transition metal, it exhibits the highest electrical conductivity, thermal conductivity, and reflectivity of any metal. The metal is found in the Earth's crust in the pure, free elemental form ("native silver ...

The Silver Extraction Process. The ore used to extract silver was not a silver ore but Lead Sulphide (formula PbS), known as Galena or Galenite (named by the Roman Pliny) which contains 87% lead. The local variety of Galenite is silver-bearing and is known as Argentiferous Galenite (formula (Pb.Ag)S ) and the lead obtained from this ore ...

Silver is found in lead, zinc, gold and copper ore deposits. The most important ore mineral of silver is argentite (Ag2S, silver sulfide). Silver is commonly extracted from ore by smelting or chemical leaching. Uses. Silver has been used for …

Jun 22, 2016· Argentite, which is a sulphide ore, is the chief source of silver. It is extracted by the process of leaching with a dilute solution of sodium cyanide. Silver dissolves and forms a complex, argentocyanide. It is further treated with scrap zinc, which displaces silver from the complex. This is called displacement method or hydrometallurgy.

Apr 26, 2018· What is an Ore? Ores are naturally occurring rocks that contain metal or metal compounds in sufficient amounts to make it worthwhile extracting them. For example, iron ore is used to make iron and steel. Here, we providing a List of some Important metals and their ores. it is mainly useful for your upcoming competitive exams like SSC, UPSC etc.

Silver-bearing ore typically contains very little silver, with much higher percentages of copper and lead. As such, most silver produced is refined from sulfide ores such as galena (lead) or chalcopyrite (copper) which contain small amounts of silver. Many of these ores are mined for their value as sulfide ores, and silver is extracted as a valuable by-product, however, some …

The chief are of silver is argentite and silver is extracted by hydrometallurgy process. The silver are is dissolved in cyanide solution to form soluble argento cyanide complex from which metal is obtained by reduction with more electropositive. The different steps involved in extraction of silver are: a. Ore – Concentration:

Silver is one of the most famous precious metals, and has been used for ornamental purposes since the earliest of times. Most silver is extracted from silver ores, but considerable amounts are mined from Native Silver. Silver can be found pure, but is usually mixed with small amounts of gold, arsenic, and antimony.A natural alloy of gold and silver is known as Electrum, and is …

The important ore of silver are Argentite (A g 2 S) and Horn Silver (A g C l). Extraction of Silver from ore by cyanide process: In this process the finely powered ore is concentrated by froth flotation process and then treated with dilute N a C N and a current of air is passed into the solution so that A g present in the ore is converted into ...

Jan 30, 2020· How are metals extracted from the earth? When miners find rock containing mineral ore, they first extract the rock from the earth. The rock is then crushed by powerful machinery. Metal is extracted from the crushed ore by one of two major methods: smelting or electrolysis. Smelting uses heat to separate the valuable metal from the rest of the ore.

Oct 06, 2020· What is the name of the mineral that is extracted from Bauxite? (a) Silver (b) Manganese (c) Aluminium (d) Copper. Answer. Answer: (c) Aluminium Aluminium is the name of the mineral that is extracted from Bauxite.

Silver is a soft, white metal that usually occurs in nature in one of four forms: 1) as a native element; 2) as a primary constituent in silver minerals; 3) as a natural alloy with other metals; and, 4) as a trace to minor constituent in the ores of other metals. Most of the silver produced today is a product of the fourth type of occurrence.

Silver is commonly extracted from ore by smelting or chemical leaching. Silver is also produced during the electrolytic refining of copper and by application of the Parkes process on lead metal obtained from lead ores that contain small amounts of silver.

Feb 23, 2012· Silver Ore is a rare spawn type found in areas with Copper and Tin ore. Silver rarely spawns in the same spot twice in a row because it's actually a Copper ore spot or a Tin ore spot that, once in ...

Cobalt is a chemical element with symbol Co and atomic number 27. Like nickel, cobalt is found in the Earth's crust only in chemically combined form, save for small deposits found in alloys of natural meteoric iron. The free element, produced by reductive smelting, is a hard, lustrous, silver-gray metal.