Extraction of metals pdf notes

Thermodynamic principle in extraction of metals the free energy change. Occurrence and extraction of metals module 6 notes pulverization can also be carried out in a ball mill. Alkaline earth metals chemistry notes for iitjeeneet. According to new cbse exam pattern, mcq questions for class 10 science pdf carries 20 marks. Occurrence and extraction of metals module 6 notes chemistry of elements metals and their alloys are extensively used in our daytoday life. Notes chemistry 5 occurrence and extraction of metals module 6 chemistry of elements crusher forming a jaw. They are found in the earths crust mainly as oxides, sulphides or carbonates.

Ppt extraction of metals from their ores powerpoint. Download revision notes for metals and nonmetals class 10 notes and score high in exams. Thus certain metal sulphides such as pbs, zns, cufes 2, etc. The elements or compounds which occur naturally in the earths crust are called minerals. A free powerpoint ppt presentation displayed as a flash slide show on id. It is extracted by the electrolysis of a fused mixture of calcium chloride and calcium fluoride lowers the fusion temperature of the electrolyte. The crushed ore is taken in a steel chemistry of elements cylinder containing iron balls. P1 describe the use of carbon in the extraction of some metals from their ores. G occurring during the reduction processes help in deciding the suitable method for reduction.

Apr 29, 2016 non ferrous extraction of metals lecture notes 1. List of topics covered in nonferrous extractive metallurgy quick revision pdf hand written class notes, book, ebook for metallurgical engineering. The percentage of copper in the actual ore is too low for direct extraction of copper to be viable. Isolation of elements in chemistry class 12 aims to teach the students about various processes of extraction of metals from ores. Extraction of metals methods of extraction of metals. Winner of the standing ovation award for best powerpoint templates from presentations magazine. Extraction properties and uses form 4 chemistry notes.

Extraction of copper mining, concentration, smelting. Form 4 chemistry notes radioactivity form 4 chemistry notes next. The principal ore of copper is copper pyrite and copper is extracted from this ore. The most reactive metals like potassium, sodium and magnesium will burn with a very bright flame and will tarnish quickly in open air. From the extraction point of view, the metals can be broadly classified. Solvent extraction and its applications on ore processing and recovery of metals. Ores consist of the desired metal compound and the impurities and earthly substances called gangue. Ppt solvent extraction powerpoint presentation free to. Metals nonmetals extraction of least reactive metals. Chemistry notes for class 12 chapter 6 general principles and processes of isolation of elements earth crust is the source of many elements. The earths crust contains metals and metal compounds such as gold, iron oxide and aluminium oxide.

The process of treatment depends on upon the nature of the ore, impurities, and the metal. Extraction method is from the metal oxide for carbon and hydrogen, and the metal carbonate for heating. In order to obtain the useful metal we have to extract it from its ore. Why does the roasting of cinnabar, hgs, produce metallic mercury rather than an oxide. Types of solid, crystal lattice, close packing, packing efficiency, imperfection in solid, properties of solid. Pdf chemistry notes for class 12 chapter 6 general principles. And the bigger the ramifications of the silicate viens, the faster the reductive process spreads. Extraction of metals methods of extraction of metals from ores. These revision notes on the methods of extracting metals and relating the extraction method to the chemical reactivity of the metal should prove useful for the new. They are found in the earths crust mainly as oxides, sulphides or. Metals and nonmetals extraction of metals class 10.

Deals with extraction of metals from its naturally existing oreminerals and refining them minerals. The following table is based on the year 1937 in which the figures are more. Inorganic compounds with more than one metal in association with nonmetals like s,o,n etc. They are used for making machines, railways, motor vehicles, bridges, buildings, agricultural tools, aircrafts, ships etc. Chemistry notes for class 12 pdf free download examframe. Dec 28, 2018 semester notes, revision notes on metals and non metals class 10 official. Minerals that contain very high percentage of particular metal and the metal can be profitably extracted from it, such minerals are called ores. Extraction of copper from copper pyrite grade 12 science notes. Metallurgy is the field of science which deals with the extraction of metals. The entire scientific and technological process used for isolation of the metal from its ore. Download cbse class 10th revision notes for chapter 3 metals and non metals in pdf format for free. Solvent extraction although solvent extraction as a method of separation has long been known to the chemists, only in recent years it has achieved recognition among analysts as a powerful separation technique.

Metals are found in the combined state in ores where they exist as positive ions. Mar 31, 2017 list of topics covered in nonferrous extractive metallurgy quick revision pdf hand written class notes, book, ebook for metallurgical engineering. Mercury and copper, which belong to the least reactivity series, are often found in the form of their sulphide ores. Concentrations of solution, henrys law, raoults law, ideal and nonideal solution, azeotrope, colligative properties, isotonic solution, vant hoff factor. Semester notes, revision notes on metals and nonmetals class 10 official. On this page you can read or download chemistry klb notes on metals form 4 in pdf format. Extraction metallurgy download ebook pdf, epub, tuebl, mobi. Extraction of metals cie igcse chemistry revision notes. Extraction of metals occurrence ores of some metals are very common iron, aluminium others occur only in limited quantities in selected areas ores need to be purified before being reduced to the metal this adds to the expense high grade ores are therefore cheaper to process. Most metals will react with air to form a metal oxide these are either basic or amphoteric. Apr 18, 2019 home alternating current chemistry physics study notes sblock elements alkaline earth metals chemistry notes for iitjeeneet clear exam thursday, 18 april 2019 edit this post sblock elements alkaline earth metals elements of group 2 be beryllium mg magnesium ca calcium sr strontium.

Aluminium is the most abundant metal of earth crust and iron comes second. Introduction to nonferrous metal extraction general principles of extraction of metals from oxides and sulphides. Written by teachers for the cie igcse chemistry course. Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that todays audiences expect. These revision notes on the methods of extracting metals and relating the extraction method to the chemical reactivity of the metal should prove useful for the new aqa, edexcel and ocr gcse 91 chemistry science courses. Your fellow students write the study notes themselves, which is why the documents are always reliable and uptodate. Cbse ncert notes class 10 chemistry metals and non metals. Download cbse class 10th revision notes for chapter 3 metals and nonmetals in pdf format for free. This reduction process can be done electrolytically or by thermal or chemical methods. Metals above hydrogen will react with dilute acids to produce hydrogen gas they are more reactive and hence can displace hydrogen from solutions of.

N5 chemistry unit 3 metals summary notes st ninians high school. Extraction of copper from copper pyrite grade 12 science. Therefore, production of a variety of metals in large quantities is necessary for. Notes 2 chemistry module 6 occurrence and extraction of metals chemistry of elements zlist and explain various methods for concentration of ores gravity separation, magnetic separation, froth floatation and chemical method. The crushed pieces of the ore are then pulverized powdered in a stamp mill shown in fig. Objectives general principles and gener processes of. Extraction of metals from their natural sources is basicallya broad term which includes several steps in it. Refer to tb for details on the reactions of metals. The ease of obtaining metals from their ores depends on the metals position in the reactivity series. If you dont see any interesting for you, use our search form on bottom v. Moderately reactive metals such as magnesium, aluminium, zinc and iron burn in strong flame but dont tarnish rapidly in open air. Occurrence and extraction of metals study materials notes. You are forbidden to reproduce any part of these notes without our prior permission.

Download pdf for future reference install our android app for easier access. Here we have given ncert class 10 science notes chapter 3 metals and nonmetals. Notes of ch 3 metals and nonmetals class 10th science. Usually iron and aluminum exist as compounds, with oxygen, also known as oxides. Every mineral is not suitable for the extraction of the metal. Major factors involved in deciding all these processes are low cost and phhysical properties of metal to be extracted. Notes chemistry 1 occurrence and extraction of metals module 6 chemistry of elements 16 occurrence and extraction of metals metals and their alloys are extensively used in our daytoday life. Physical properties of metals, alloys and its structure, reactivity series of metals, reaction of metals with water, air and dilute hcl, reduction of metal oxides by carbon, displacement reaction, metal hydroxides and nitrates, aluminium, ore and extraction of fe from haemetite blast furnace, steel making process, types of steel and its uses, uses of al, zn and cu. The percentage of different elements in earth crust are. Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from. In this process, the powder ore is added to the mixture of pine oil and water and agitated by blowing air. Apr 22, 2019 thermodynamic principle in extraction of metals the free energy change. Metals nonmetals extraction of least reactive metals class.

The mineral from which the metal is economically and conveniently extracted is called an ore. For the spontaneous reduction of an oxide, halide or sulphide by an element, the essential condition is that there is a decrease in the free energy of the system ve. The activityreactivity series of metals is a list of some of the most common metals in order from. Icse notes extraction of metals handwritten you may print these notes through the pdf file and refer to them for your personal use as required.

These are usually formed in the company of rock or alluvial impurities like clay, sand etc. An ore is a mixture of mineral containing a metal compound within it. Chemistry notes for class 12 chapter 6 general principles and. Previous electrochemistry form 4 chemistry notes radioactivity form 4 chemistry notes next download pdf for future reference install our android app for easier access click the link below to download the full chemistry form 4 notes pdf document, with all the topics. Notes, exercises, videos, tests and things to remember on extraction of metals.

P2 describe the essential reactions in the extraction of iron in the blast furnace. The extractive metallurgy series is devoted to the extraction of metals from ores and other sources, their refining to the state of either liquid or solid metal, and the various processes needed to carry out these. The concentration of ore is required and it is done by the froth flotation method. The extraction of metals from ores is what allows us to use the minerals in the ground.

Oct 24, 2019 here we have given ncert class 10 science notes chapter 3 metals and non metals. Jan 08, 2012 p1 describe the use of carbon in the extraction of some metals from their ores. We should specifically note that the precipitation of the metal phase. First of all lead ore 310% lead is concentrated to 6070% by froth floation. But this is not the case with more reactive iron or aluminum. The roasting of an ore of a metal usually results in conversion of the metal to the oxide.

The striking balls pulverize the crushed ore into fine powder. During the extraction of metals, the metallic ions must first be reduced to the corresponding metal atoms. The extraction involves 3 major steps i concentration of the ore ii isolation of the metal from its concentrated ore ii purification of the meta. Igcse extraction of metals from ores notes igcse and ial. General principles and processes of isolation of elements. Naturally existing minerals are sulphides, oxides, halides like. Chemistry notes for class 12 chapter 6 general principles. The commonest ore used in the extraction of copper is chalcopyrite cufes 2 also known as copper pyrites and other such sulfides. Introduction to the extraction of metals method related to the. Metals and nonmetals class 10 notes science mycbseguide. These are the metals and nonmetals class 10 notes prepared by team of expert teachers. The metals in the middle of the activity series zn, fe, pb, etc. The ores are very different from the finished metals that we see in buildings and bridges.

These steps start from exploraton of metal reservoirs to final refining of metals. General principles and rinciples and processes o ocesses o. Physical properties of metals, chemical properties of metals and nonmetal oxide. The ore being sulphide ore is concentrated by froth floatation process. Hematite fe2o3, magnetite fe3o4, chalcopyrite cufes2, dolomite. Coke carbon, haematite iron ii oxide, and limestone calcium carbonate is needed. Cu,ni,zn,pb extraction of lead lead ore consists of pbs galena along with sphalerite zns,pyritefes2,cu2s and some precious metals like gold and silver as gangue. The ore obtained from mines are broken down into small piece by jaw crusher and then pulverized. Liquidliquid extraction, mostly used in analysis, is a technique in. One of the plates of the crusher is stationary while the other moves to and fro and the crushed pieces are collected below fig. Metals and nonmetals class 10 notes science chapter 3. The metals at the top of the activity series k, na, ca, mg and al are so reactive that they are never found in nature as free elements. May 03, 2020 alkali metals cannot be extracted from their ores by the usual methods of extraction of metals because of following difficulties.

Detailed revision notes on the topic extraction of metals. Extraction of metals lecture notes 15 ch267 warwick studocu. Download chemistry klb notes on metals form 4 document. Nonferrous extractive metallurgy quick revision pdf notes. Alkali metals cannot be extracted from their ores by the usual methods of extraction of metals because of following difficulties. The extraction and isolation of metals from ores involve the following major steps. Less reactive metals are easily removed from their ores by strong heating, slightly more reactive metals can be removed by reduction using heated carbon. Mar 19, 2018 10 science notes chapter 3 metals and non metals. Pdf solvent extraction and its applications on ore. General principles and processes of isolation of elements class 12 notes pdf metallurgy. Extraction properties and uses form 4 chemistry notes font size. Principles and procedures involved in the extraction of metals. Jan 30, 2018 chemistry notes for class 12 pdf download. Heres a link to the pdf file for the aforementioned notes.