Extracting Gold From Ore Facts Yahoo Answers

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Definition of extraction

Easy Example of Extraction Tea-making is a very basic non-laboratory extraction You boil tea leaves in water to extract the tannins theobromine polyphenols and caffeine out of the solid tea leaves and into the liquid water You are then free to drink and enjoy the water and the extracted substances it contains Laboratory Extractions

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3

Dec 13 2008The Canadian shield is a rich mineral ore field full of diamond nickel gold silver and copper 5 The landscape is mostly grass bog rocky with low mountain ranges with few forests in the far north 3-5 Interesting facts about the Canadian Shield? Source(s) Join Yahoo Answers and get 100 points today Join Trending Questions

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Please oh pleas help me with chemistry =( giveing out

Feb 06 2011Determine the mass of CO2 produced from the combustion of 153 5 g ethanol 4 ) To extract gold from its ore the ore is treated with sodium cyanide solution in the presence of oxygen and water Please oh pleas help me with chemistry =( giveing out points!? Get answers by asking now Ask question + 100 Join Yahoo Answers and get 100

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Different Types of Iron Ore

Hematite is sometimes found in vein-like deposits which are not usually large enough to be important Such ore-bodies have been found near Kitchener B C and in the Matachewan area Ontario Deposits of considerable size have been found at the contacts of igneous intrusions generally basic with crystalline limestone dolomite and limey shale the ore is usually of the specular variety and

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What are the advantages and disadvantages of extracting

Apr 14 2013Best Answer Advantages - large resource of potential oil - biggest resource is in Canada whereas the largest reserves of crude oil are in Saudi Arabia and Venezuela - Exploitation has only started recently so low cost reserves are still available - It

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Tailingsfo What are tailings?

Tailings characteristics can vary greatly and are dependent on the ore mineralogy together with the physical and chemical processes used to extract the economic product Ritcey (1989) reported that tailings of the same type may possess different mineralogy and therefore will have different physical and chemical characteristics

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method to extract metal from iron ore?

Aug 03 2011To be useful the metals have to be extracted from whatever they are mixed with A metal ore is a rock containing a metal or a metal compound in a high enough concentration to make it economic to extract the metal The method used to extract metals from the ore in which they are found depends on their reactivity

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chem 1025 quizzes Flashcards

Start studying chem 1025 quizzes Learn vocabulary terms and more with flashcards games and other study tools • Question 1 Which of the following unit factors is derived from 1 ounce = 28 3 grams? Answers 1 ounce/1 gram 28 3 ounces/28 3 grams 28 3 ounces/1 gram 1 gram/28 3 ounces • Question 2 If 10 4 cm3 of gold has a mass of

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Extraction of Gold by Electrolysis how?

Oct 12 2007The material that you want to separate the gold from is the cathode a piece of the pure metal would be the anode A 1/10 ounce or less piece of gold would do very well since it can be beaten very thin to be the anode A Gold Chloride or other gold based electrolyte would be

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Mining pros and cons?

Apr 20 2014Mining pros and cons? Answer Save 3 Answers Relevance ilivetofly 6 years ago Pro Mining for gold coal and other ores are valuable because they are useful in manufacturing useful consumer products The country will also benefit from the taxes being paid by the companies conducting the mining excavations Join Yahoo Answers and get

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Key facts about Keystone XL and Dakota pipelines

Jan 24 2017The Dakota Access Pipeline project stretches over four US states and 1 172 miles Once completed the $3 8 billion 30-inch pipeline would transport crude from the northwestern corners of North Dakota one of the key centers of oil extracted by hydraulic fracturing or fracking to

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If iron can turn to rust can rust turn back to

Sep 12 2010Most metals are extracted from their ORES many of which are their oxides (rust refers only to Iron) How easy this is can be shown by looking at the blast furnace for extracting Iron from its ore - basically reversing the rusting process this requires a temperature of over 1500oC and burning coke (carbon) to reduce the rust to Iron

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86 Geology Quizzes Online Trivia Questions Answers

Oct 03 2019A comprehensive database of more than 86 geology quizzes online test your knowledge with geology quiz questions Our online geology trivia quizzes can be adapted to suit your requirements for taking some of the top geology quizzes

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what is DORY GOLD? what are its compositions? what

Dec 07 2009Dory gold (or dore gold) is gold that has been directly extracted and refined from ore at the mine into a bar containing 90% gold This is called a dore bar These dore (dory) bars are sent from the mine to an external refinery where it will be melted down and purified into a new bar that is 999 9 parts per thousand pure gold

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why mercury is stored in iron bottle?

Jan 30 2011mercury disolves with gold zinc other metals to form amalgams but mercury does not react (disolve etc) with iron thats the main reason mercury is stored in iron containers this comes in handy for storage transporting amalgams have uses in dentistry is used to extract gold from ore

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can mercury converted into gold?

Aug 05 2006can mercury converted into gold? can you use lead insted of mercury to gold Answer Save 13 Answers Mercury because you could use it to separate the material from the raw ore and Lead because it is close to gold in weight so they thought it would be a small step Join Yahoo Answers and get 100 points today Join Trending Questions

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Geological History of Mono Lake

Preservation of Mono Lake In the early 1940's Eastern Sierra runoff water that would have naturally fed Mono Lake was diverted into the Los Angeles Aqueduct system Without adequate inflow and recharge from the runoff evaporation quickly caused lake levels to drop and water salinity levels to increase

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California Gold Rush

California Gold Rush summary The California Gold Rush was the largest mass migration in American history since it brought about 300 000 people to California It all started on January 24 1848 when James W Marshall found gold on his piece of land at Sutter's Mill in Coloma

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U S history Unit 1 Test Flashcards

Mining ore deposits deep below earths surface required resources and technology far beyond the means of the average prospector Why did the U S government adopt the policy of reservations? The battle of Little bighorn proved to be the last victory for the Sioux The shock of Custer's defeat prompted the army to increase its efforts to move the

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iron ore gold ore granite metal ore crushers

iron ore gold ore granite metal ore crushers Iron extraction equipment from iron ore Aug 17 2016 method to extract metal from iron ore? Yahoo Answers Working Fe 2 O 3 or magnetite ore processes in iron ore extraction in nigeria Gold Ore Crusher from sand in rivers flowing out of granite

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Ch 17 Flashcards

burn the impurities out of the iron extracted from the power ores Th initial development of the steel industry was most significantly aided by the invention of Bessemer and open-hearth processes The steel industry of the late 1800's prospered in all of the following states except

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!!THE EXTRACTION OF GOLD!! please help

Sep 13 2007Gold extraction or recovery from its ores may require a combination of comminution mineral processing hydrometallurgical and pyrometallurgical processes to be performed on the ore Gold mining from alluvium ores was once achieved by techniques associated with placer mining such as simple gold panning and sluicing resulting in direct

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How Are Emeralds Mined?

Blasting equipment isn't a good equipment choice for mining emeralds because the gemstones are close to the surface and may be hidden by other minerals The work of extracting emeralds can be painstaking and delicate Mines in North Carolina give tourists mesh screens to sift through already-mined gem dirt

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Chemistry Help?!?!?! Please anyone???!!!?

Nov 08 20121 A chemist wants to extract the gold from 51 93 g of AuCl3 2 H2O (gold(III) chloride dihydrate) by electrolysis of an aqueous solution What mass of gold could be obtained from this sample? Answer in units of g 2 What mass of copper(II) sulfate would remain after removing all the water from 77 g of CuSO4 5 H2O? Answer in units of g 3 Chalcopyrite is an ore with the composition CuFeS2

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Orinoco River

Dec 26 2019Orinoco River major river of South America that flows in a giant arc for some 1 700 miles (2 740 km) from its source in the Guiana Highlands to its mouth on the Atlantic Ocean Throughout most of its course it flows through Venezuela except for a section that forms part of the frontier between

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How to Remove Copper from Silver

Apr 24 2017However it is not easy to find silver in its pure form It is often found in metallic ores that contain quantities of other metals such as copper To separate silver from an ore containing a quantity of copper you need to heat the ore sample to a level sufficient to melt the silver but leave the copper in a

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Can anybody explain to me what is downstream processing in

Aug 12 2012Can anybody explain to me what is downstream processing in mining? Our teacher asked us to have a report about it But I don't understand what it is Please I need help So everything that is done to the ore after hauling it out of the ground is downstream operations Join Yahoo Answers and get 100 points today Join Trending Questions

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What Are The Major Natural Resources Of Mexico

Oct 23 2018Within the mineral sector alone gold managed to account for at least a quarter of the sector's total revenue In addition the gold production in 2010 represented a 41% increase from the previous year In the case of other minerals such as iron ore the nation does not have substantial reserves for export but there is enough for local use

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Transmutation

(This gold was undoubtedly present in trace amounts in the original ores and was not produced by transmutation ) The ultimate folly of the alchemists turned up during the Middle Ages with the search for the philosopher's stone a substance that could be mixed with base metals and through purification convert them into gold

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Earth Science Chapters 1

Start studying Earth Science Chapters 1-4 Learn vocabulary terms and more with flashcards games and other study tools gold - trade/jewelry copper - electrical conductor graphite - pencil lead mineral resource is in the earth in a quantity and ready to be taken an ore deposite is needed and extracted

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What is the best way to make gold in WoW?

Mar 21 2009What is the best way to make gold in WoW? Leveling mining and selling ore on the AH is an easy way to get gold as you go along It'll even be useful in the longrun the new titansteel making miners one of the most profitable professions in the game If you're really going for the gold doing both mining and herbalism makes you very good

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Chemistry for Kids Separating Mixtures

Kids learn about separating mixtures in chemistry including separation processes such as filtration distillation and the centrifuge One example of this is extracting metal from ore in order to make tools and weapons We'll discuss some other examples of separation below Interesting Facts about Separating Mixtures

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Why is separating mixtures important?

Nov 05 2016Many of the substances we use everyday were actually once part of a mixture Someone somewhere separated that substance from the mixture so we could use it It turns out that many compounds and elements aren't found in nature in their pure form b

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