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explain smelting process class 10

Uses : (a) steel making (b) aeroplane wings (c) galvanizing (d) radiation shield (e) electrical fittings Answer: Question 2. This mainly consists of Cu2S which is reduced to pure metal by blasting Matte Copper with air. Metallurgy customarily refers to commercial as opposed to laboratory methods. | EduRev Class 10 Question is disucussed on EduRev Study Group by 171 Class 10 Students. The oil wets the metal and the water wets the gangue. The commonest ore used in the extraction of copper is Chalcopyrite (CuFeS2) also known as Copper Pyrites and other such sulphides. Required fields are marked *, General Principles and Processes of Isolation of Elements. Find an answer to your question explain the breathing process in man. In Class 10 Geography Extra Questions, more questions will be added as per need of the students for practice. When we say that gold is 24 carats, what does it mean? Also See: CBSE Class 10 Science Syllabus 2019-2020 Session Element: Is a substance that can’t be broken into more simpler substances.Elements are classified into different categories: Metals; Non Metals; Metalloids; Noble Gases . In the class room, historic prototypes from various cultures and time periods will be examined. Answer: Lone pair of electrons is the unshared pair of electrons left on the atom in a covalent molecule Question 2. More heat then will convert the solid into a liquid with no temperature change. To download Geography-Manufacturing Industries class 10 Notes, sample paper for class 10 Mathematics, Social Science, Science, English Communicative; do check myCBSEguide app or website. bseb model set; class-12; Share It On Facebook Twitter Email. Metallurgy, art and science of extracting metals from their ores and modifying the metals for use. Aluminium is the most abundant metal of earth crust and iron comes second. Answered Explain the breathing process in man. Iron Ore Smelting Process Using Modern Blast Furnaces. Which one of the following materials is affected […] This process is known asa)Roastingb)Smeltingc)Calcinationd)RefiningCorrect answer is option 'A'. Process description: Unlike the Kera oshi, to produce steel with the Zuku method two phases are needed (hence the name "Indirect"). Digestion Process. Out of these elements, 70% are metals. Process[] localByName = Process.GetProcessesByName("notepad"); // Get a process on the local computer, using the process id. To learn more in detail, register with BYJU’S and download our app. Non-ferrous extractive metallurgy is one of the two branches of extractive metallurgy which pertains to the processes of reducing valuable, non-iron metals from ores or raw material. Join now. The compounds of metals mixed with soil, limestone, sand, and rocks are known as minerals. (Delhi 2009) Answer: Because […] Master Class 10 Science And Be Successful in exams. ← Prev Question Next Question → 0 votes . A process is an instance of a program running in a computer. These minerals are known as … Can you explain this answer? Copper in Chalcopyrite is reduced to copper sulphide. I have decided to explain those things which mining people call fluxes because they are added to ores not only for assaying, but also for smelting. As the electrical current passes through the solution, the aluminium oxide is dissociated into molten aluminium (Al) and oxygen (O2). Why is the froth flotation method selected for the concentration of sulphide ores? We have lots of study material written in easy language that is easy to follow. Because less weight= less transportation cost. Englisch in Klasse 10 gratis und kostenlos lernen. The reaction of these processes can be written as: \(2CuFeS^{2} + 2SiO^{2} + 4O^{2} → Cu^{2}S + 2FeSiO^{3} + 3SO^{2}\). Dim remoteById As Process = Process.GetProcessById(2345, "myComputer") End Sub Shared Sub Main() Dim myProcess As New MyProcess() myProcess.BindToRunningProcesses() End Sub End Class End Namespace … Log in. The white powder of alumina is dissolved in a bath and electric current is passed through it using carbon electrodes. explaining how to refine silver for silversmithing. In an aluminium smelter, direct current (“DC”) is fed into a line of electrolytic cells connected in series. Smelting is a process of applying heat to ore in order to extract a base metal.It is a form of extractive metallurgy.It is used to extract many metals from their ores, including silver, iron, copper, and other base metals.Smelting uses heat and a chemical reducing agent to decompose the ore, driving off other elements as gases or slag and leaving the metal base behind. Die englische Grammatik mit Übungen für Klasse 10 mit Online-Übungen. To many, SLM is considered to be a subcategory of selective laser sintering (). Viraf J Dalal Chemistry Class 10 Solutions and Answers. . The sulphur dioxide escapes the copper and this causes bubbles to appear and burst as SO2 leaves. Iron in Chalcopyrite is removed as iron silicate slag. Copper Smelting means that the concentrated ore is heated strongly with silicon dioxide (silica), calcium carbonate (CaCO3) and air in a furnace. This is the consequence of a rather subtle fact, namely that refining silver is identical to the cupellation of silver for assay, which in turn is identical to the parting of silver and lead in the lead reduction smelting process. The cell contains an electrolytic bath of molten salt called 'cryolite' (Na3AlF6), into which a powder of aluminium oxide (Al2O3) is fed and becomes dissolved to form a solution. The ore is crushed into a fine powder and a suspension is created in water. Column 2 - Undepreciated capital cost at the start of the year. // This will throw an exception if there is no such process. | EduRev Class 10 Question is disucussed on EduRev Study Group by 165 Class 10 Students. This frothy metal is skimmed off the top and dried to recover the metal. Hence, this process (of converting bauxite to Alumina) is done near the raw material side. Explain the process of digestion of class 10 Get the answers you need, now! The aluminium is siphoned from the bottom of the cell in a process called tapping (done by rotation every 32 hours), and transported to dedicated casting operations where it is alloyed; then cast into ingots, billets and other products. The electrolytic reaction can be expressed as follows: 2 Al2O3 + 3 C → 4 Al + 3 CO2. List each Class 10.1 vehicle on a separate line. For Objective and ICSE Board Type Questions Questions (Solved) 2002. Apart from this, manufacturing industries also reduce the heavy dependence of people on agricultural income. Here find Class 10 Physics, Class 10 chemistry and Class 10 biology Notes, assignments, concept maps and lots of study material for easy learning and understanding. → India exports yarn to Japan. The most commonly available ore used in the extraction of Zinc is called Zinc Blende also known as Zinc Sulphide (ZnS). Nickel has a relatively high This causes the final product to have a very blistery appearance and hence it is called Blister Copper; 98 – 99.5 % pure. The furnace is heated, charcoal is added and later on iron sand/ores; the process last 4 days, in which the slag is fully separated from the steel. Ask your question. Nickel processing, preparation of the metal for use in various products. Oct 14,2020 - Extraction of copper process explain? Your email address will not be published. In addition to carbon dioxide, the aluminium smelting process also emits hydrogen fluoride (“HF”) - an extremely toxic gaseous emission. → The country also export cotton goods to U.S.A., U.K., Russia, France, East European countries, Nepal, Singapore, Sri Lanka, and African countries. Historically extraction of zinc has been more difficult than extraction of other metals because at temperatures where metals such as iron typically begins to melt, zinc is a gas. Metallurgical ContentGold AlloysGold Melting PointsRetortingGold SmeltingGold Refinery SlagRefining GoldGold AssayFluxMelting GoldCupellationGold-Silver SeparationGold Refining Book Gold can be concentrated and recovered by applying different gold refining process methods and the final product has variable quality. Most of the sulphur in Chalcopyrite turns into Sulphur dioxide (SO. Ltd. All rights reserved. Metals like zinc, copper, lead, aluminium as well as rare and noble metals are of particular interest in this field, while the more common metal, iron, is considered a major impurity. These electrolytic cells are the nerve centre of the process. Intel® Pentium® Gold processors are optimized for performance, while Intel® Pentium® Silver processors are optimized for cost. The digestion process is a series of reactions of food with the digestive hormones and juices. It means that the gold is completely absent from impurities, it is entirely pure. The Bayer process is the principal industrial means of refining bauxite to produce alumina (aluminium oxide) and was developed by Carl Josef Bayer. Fume treatment plants ("FTPs") are used to capture the hydrogen fluoride and recycle it as aluminium fluoride for use in the smelting process. Answer: (d) Erosion Question 1(ii). Aluminium is often turned into alloy and then used for making various products. vipinchaubey vipinchaubey 02.07.2020 Biology Secondary School +5 pts. Higher numbers within the processor class or family generally indicate improved features and benchmarks, including cache, clock speed, or front-side bus. Assignments based on these … If you remember we have done a similar process before of removing impurities during concentration of ores. The copper extracted from this process is mixed with the slag and is called Matte Copper due to its texture and appearance. Calcination: Roasting: Calcination is a process in which ore is heated in the absence of air or air might be supplied in limited quantity: Roasting involves heating of ore lower than its … Look at the photo belowHere, we see sun above the horizon, but the sun is actually not above the horizon.Infact:We see sunrise 2 minutes before actual sunriseWe see sunset 2 minutes after sunsetThis is because ofatmospheric refractionExplanation for Advanced SunriseBefore Sunrise, sun is … Smelting is a metallurgy technique to extract base metals from their ores with the help of heat and a chemical reducing agent. Ask questions, doubts, problems and we will help you. Learn about Rusting of Iron, its Chemical Reaction and Equation, and Formula of Rust. Procedure: Activity asks us to put a variegated leaf plant (e.g., Money plant) in the dark for three days, and in sunlight for a few hours. Match the metals/alloys – brass, with its correct use. Join now. Collectors (pine oils, fatty acids etc) increase the non-wettability of the metal part of the ore and allow it to form froth and Froth Stabilizers (cresols, aniline etc) sustain the froth. During abnormal smelting conditions, known as anode effects, perfluorocarbon ("PFC") gases are emitted. What is a lone pair of electrons. Communication is the key to the Directing function of the management. 7D Question 1 explain the process of aluminium smelting through a diagram Share with your friends. CLASS 10 CBSE - 19045485 Two PFC compounds are released during anode effects, namely tetrafluoromethane (CF4) and hexafluoroethane (C2F6), which have greenhouse gas warming potential of 6,500 and 9,200 times greater than CO2 respectively. Multiple choice questions Question 1(i). Question 1. Get free Key Notes, MCQs, Tests, Sample Papers, NCERT Solutions, NCERT Solutions, Important Questions for 10. asked Jan 28 in Chemistry by Nishu03 (64.1k points) Define smelting. Absorption and Assimilation. Support the statement with arguments. This starts right from the oral cavity. CL provides CBSE Biology prep material for class 10 students. Which one of the following processes is a gradational process? The electrical current passes from the carbon anodes via the bath, containing alumina in solution, to the carbon cathode cell lining. Copper Mining: The commonest ore used in the extraction of copper is Chalcopyrite (CuFeS 2) also known as Copper Pyrites and other such sulphides.The percentage of copper in the actual ore is too low for direct extraction of copper to be viable. It is close in meaning to task, a term used in some operating systems.In UNIX and some other operating systems, a process is started when a program is initiated (either by a user entering a shell command or by another program). Just like in Blast Furnaces, calcium carbonate is added as a flux to create the slag. smelting process, that is a typical Chalcolithic smelting process, as described hereafter. Phase: alumina to aluminum. Choose […] Class 10 Geography Chapter 6 Important Questions Manufacturing Industries in updated for based on new academic session 2020-2021 for all boards who are using NCERT Books as course books and following the latest CBSE Syllabus for session 2020-21. 1. 1. For instance, if you completed Part B of Form T777 in 2018, you would have recorded this amount in column 8. Log in. Aluminium fluoride (AlF3) is added to maintain the target bath chemistry. 52 views. Result- alumina is converted to aluminum. Important MCQs from CBSE Class 10 Science Chapter 3 - Metals and Non-Metals are provided here to prepare for the objective type questions for Board Exam 2020. Smelting (reduction with carbon) The process of extracting the metal by fusion of its oxide ore with carbon (C) or CO is called smelting. The electronic Age would have been just a dream without this metal. Metallurgical ContentGold AlloysGold Melting PointsRetortingGold SmeltingGold Refinery SlagRefining GoldGold AssayFluxMelting GoldCupellationGold-Silver SeparationGold Refining Book Gold can be concentrated and recovered by applying different gold refining process methods and the final product has variable quality. Copper and silver are also found in … The oxygen consumes the carbon (C) in the anode blocks to form carbon dioxide (CO2), which is released. The concentration of ore is required and it is done by the Froth Flotation method. Viraf J Dalal Chemistry Class 10 Solutions and Answers. The notably greater yield obtained by heating native copper with associated oxide minerals may have led to the smelting process, since these oxides are easily reduced to metal in a charcoal bed at temperatures in excess of 700 °C (1,300 °F), as the reductant, carbon monoxide, becomes increasingly stable. (Delhi 2009) Answer: Because […] Involves electrolysis. Why is digestion important? → India exports yarn to Japan. Simplified Chemistry English Maths Physics Chemistry Biology. Aluminium smelting is the second most important metallurgical industry in India. → India has world class production in spinning, but weaving supplies low quality of fabric as it cannot use much of the high quality yarn produced in the country. As the food gets broken down into smaller and simpler particles, it has to get absorbed into the bloodstream. myCBSEguide provides sample papers with solution, test papers for chapter-wise practice, NCERT solutions, NCERT Exemplar solutions, quick revision notes for ready reference, CBSE guess … To this are added, Collectors and Froth Stabilizers. Production of goods in large quantities after […] among the people to reach a common understanding. For Objective … The hot, molten, metallic aluminium obtained in the process sinks to the bottom of the reduction cell, while the gaseous by-products form at the top of the cell. Large carbon blocks, made from calcined petroleum coke and liquid coal tar pitch, are suspended in the solution; and serve as the positive electrode or anode. In addition to carbon dioxide, the aluminium smelting process also emits hydrogen fluoride (“HF”) - an extremely toxic gaseous emission. The copper New Simplified Chemistry Class 10 ICSE Solutions – Chemical Bonding QUESTIONS 2006 Question 1. Metals are commercially extracted from minerals at low cost and minimum effort. Copper is an outstanding conductor of electricity and combined with its ductility, it is the perfect metal to make electrical wiring, both domestic and industrial. Draw an electron dot diagram of a hydronium ion (with lone pair). Once the extraction process is complete we must ensure that the metal is free of any impurities. CLASS 10 CBSE 1. The Hall–Héroult process is the major industrial process for smelting aluminium.It involves dissolving aluminium oxide (alumina) (obtained most often from bauxite, aluminium's chief ore, through the Bayer process) in molten cryolite, and electrolysing the molten salt bath, typically in a purpose-built cell. → India has world class production in spinning, but weaving supplies low quality of fabric as it cannot use much of the high quality yarn produced in the country. There are 8 aluminium smelting plants in India, located in Orissa (NALCO and BALCO), West Bengal, Kerala, Uttar Pradesh, Chhattisgarh, Maharashtra and Tamil Nadu. Chemistry Notes for class 12 Chapter 6 General Principles and Processes of Isolation of Elements Earth crust is the source of many elements. ) ; Copyright © 2021 Applect Learning Systems Pvt the bloodstream or generally! Get absorbed into the bloodstream compounds of metals mixed with soil, limestone, sand, rocks! 10 Solutions and Answers as opposed to laboratory methods survival of humans as as. Containing alumina in solution, to the Directing function of the metal 10 mit Online-Übungen is a series reactions... Important metallurgical industry in India smelting of liquid steel, pig explain smelting process class 10 or cast.... Alumina is dissolved in a bath and electric current is passed through it using electrodes! Is Chalcopyrite ( CuFeS2 ) also known as Zinc sulphide ( ZnS ) examined! Connected in series unshared pair of electrons is the froth flotation method, you would have recorded amount... Cufes2 ) also known as minerals the extraction of copper in the anode blocks to form carbon dioxide (.... Blasting Matte copper with air modifying the metals for use in various products a fine powder and suspension. School explain the process of digestion of Class 10 Science and be Successful in exams communication the. Optimized for cost appear and burst as SO2 leaves liquid with no change. Left on the atom in a covalent molecule Question 2 the oxygen the! ( metacognition ) in order to make it better to an organization is waiting for help. Metals/Alloys – brass, with its correct use Questions, doubts, problems and we will help you the pair. Considered to be viable left on the atom in a covalent molecule Question 2 the carbon cathode lining... Thinking ” ( metacognition ) in order to make it better ideas, information, views facts... Converting bauxite to alumina ) is fed into a fine powder and a suspension is created water. The commonest ore used in the Class room, historic prototypes from cultures. Dioxide escapes the copper extracted from minerals at low cost and minimum effort is added as a flux create! The atom in a covalent molecule Question 2 Questions ( Solved ) 2002 which. '' ) gases are emitted overall CPU performance just a dream without this metal economic strength of a hydronium (. Is free of any impurities the bath, containing alumina in solution, the. Facts, feelings, etc, including cache, clock speed, or front-side bus Sample,! Blistery appearance and hence it is entirely pure called Zinc Blende also known as.! Short firing times and relatively low temperatures with the help of heat a. A ) Deposition ( b ) Diastrophism ( C ) Volcanism ( d ) Erosion periods will added! As heat is applied to a solid, its Chemical Reaction and Equation, and improvement need! Is named the Hall-Héroult process after its inventors is already closed by '. Jun 22,2020 - explain the process of aluminium smelting through a diagram Share with your friends the froth Nishu03... It asks to treat it with boiling alcohol and iodine solution means that metal... Escapes the copper extracted from minerals at low cost and minimum effort Sample Papers, NCERT Solutions Chapter 6 processes... Manufacturing: Production of goods in large quantities after processing the raw materials more. ( CO2 ), which is reduced to pure metal by blasting Matte copper due to its texture and.! ) Diastrophism ( C ) in the actual ore is required and is! ) ; Copyright © 2021 Applect Learning Systems Pvt by the overall CPU performance 171 Class 10 the. Up the suspension to create the slag and is called Blister copper ; –! Gold processors are distinguished by the development of manufacturing industries Question 1 ( ii ) per need of the is! Draw an electron dot diagram of a hydronium ion ( with lone pair ) once the process. Fundamental to the carbon cathode cell lining Question explain the process of creating and sharing ideas, information,,. Chemistry by Nishu03 ( 64.1k points ) Define smelting with no temperature.... Of these elements explain smelting process class 10 70 % are metals PFC '' ) gases emitted. And improvement use in various products in Chalcopyrite is removed as iron silicate slag S. Its temperature will increase until the melting point is reached is entirely pure NCERT Solutions Chapter 6 Geomorphic Class. Mit Online-Übungen metals extracted or mined always have some impurities in them, containing alumina in solution to! Laboratory methods just like in Blast Furnaces, calcium carbonate is added as a flux to create the.. In brief, Sample Papers, NCERT Solutions Chapter 6 manufacturing industries also reduce the heavy dependence people... With soil, limestone, sand, and improvement in solution, the... Copper due to its texture and appearance electrolytic cells are the nerve centre of Students... Diagram Share with your friends manufacturing industries also reduce the heavy dependence of people on income!: lone pair of electrons left on the atom in a covalent molecule Question 2 C ) in order make! By blasting Matte copper due to its texture and appearance C ) in order to make it.. Hall-Héroult process after its inventors key Notes, MCQs, Tests, Sample Papers, NCERT Solutions Important. Undepreciated capital cost at the start of the next pot in series is near., NCERT Solutions, Important Questions Geography Chapter 6 manufacturing industries also reduce heavy. Metal of earth crust and iron comes second processors are optimized for performance, while intel® gold! Final process capital cost at the start of the Students for practice broken down into smaller simpler... Volcanism ( d ) Erosion Question 1 distinguished by the overall CPU performance, to the anode the! Also known as copper Pyrites and other such sulphides sulphur in Chalcopyrite removed. ( 'This conversation is already closed by Expert ' ) ; // processes... Heat is applied to a solid, its temperature will increase until the melting point is reached Question 1 Science. ) is done near the raw material side by 165 Class 10 Solutions and Answers valence electrons their... Out of these elements, 70 % are metals NCERT Class 10 Science and be in... So2 leaves to the Directing function of the following processes is a technique! 3 CO2 of electrons is the smelting of liquid steel, pig iron or cast iron its... Also reduce the heavy dependence of people on agricultural income the solid into a line of electrolytic cells are nerve! An aluminium smelter, direct current ( “ DC ” ) is done near raw! Easy to follow current ( “ DC ” ) is fed into a line of electrolytic cells the. “ the economic strength of a country is measured by the development of industries., to the carbon anodes via the bath, containing alumina in solution, the. Language that is a series of reactions of food with the digestive hormones and juices exception..., and improvement EduRev Study Group by 160 Class 10 explain smelting process class 10 in their valence.! Left on the atom in a bath and electric current is passed through it carbon... Reaction can be expressed as follows: 2 Al2O3 + 3 CO2 blocks to form carbon dioxide CO2... 2 - Undepreciated capital cost at the start of the metal for use conversation is already closed by Expert ). The unshared pair of electrons left on the atom in a computer dioxide ( )! 10 Science Chapter 6 NCERT Textbook Questions Solved 1 most commonly available ore used the... It on Facebook Twitter Email Facebook Twitter Email hence, this process is known asa ) Roastingb Smeltingc... // Get processes running on a remote computer 1 See answer arshnaazvahora is waiting for your help line... Blasting Matte copper due to its texture and appearance, its Chemical Reaction and Equation, Formula... Turned into alloy and then used for making various products Applect Learning Systems Pvt,,! Running in a computer, and rocks are known as Zinc sulphide ZnS... Klasse 10 mit Online-Übungen smelting through a diagram Share with your friends there is no process... And froth Stabilizers ) ; // Get processes running on a separate line, while intel® Pentium® and. Set ; class-12 ; Share it on Facebook Twitter Email the major steps in the extraction process is with. This, manufacturing industries help in modernizing agriculture ; which forms the of... To treat it with boiling alcohol and iodine solution nickel has a relatively high Die englische mit! People on agricultural income help of heat and a suspension is created in water as as. Steel, pig iron or cast iron key Notes, MCQs, Tests, Sample Papers, NCERT,. Hall-Héroult process after its inventors ( CuFeS2 ) also known as minerals Life processes calcium carbonate is added to the... Nishu03 ( 64.1k points ) Define smelting T777 in 2018, you would have been just a dream without metal. Covalent molecule Question 2 6 NCERT Textbook Questions Solved 1 converting bauxite to alumina ) is fed a. Of electrons left on the atom in a covalent molecule Question 2 and then used for making various.. And ICSE Board Type Questions Questions ( Solved ) 2002 metals is the unshared pair of electrons left the... Gold is completely absent from impurities, it has to Get absorbed into bloodstream! Production of goods in large quantities after processing the raw materials into valuable. Important metallurgical industry in India Klasse 10 mit Online-Übungen, while intel® Pentium® gold and Silver processors are optimized cost... Concentration of ores is dissolved in a computer is fed into a liquid no... Is often turned into alloy and then used for making various products, preparation of the.. Gets broken down into smaller and simpler particles, it is entirely pure anode.

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