The principaloreofcopperiscopper pyriteandcopperisextractedfrom this ore the different steps inextraction of copperare crushing and concentration theoreobtained from mines are broken down into small piece by jaw crusher and then pulverized the ore beingsulphide ore
Oct 13 2019cs cu 2o s 2cu s co g hence theextraction of copperfrom itspyrite oreis difficult than from itsoxide orethrough reduction previous question next question popular questions of class 12th chemistry
The major steps in theextractionofcopperarecopperin chalcopyrite is reduced tocoppersulphide just like in blast furnaces calcium carbonate is added as a flux to create the slag iron in chalcopyrite is removed as iron silicate slag most of the sulphur in chalcopyrite turns into sulphur dioxide so 2
May 15 2020extractionofcopper it is mainly extracted fromcopper pyritescufes2 the sulphide ore is usually of very low grade and contains iron sulphide gangue and smaller quantities of arsenic antimony selenium tellurium silver gold and platinum the various steps involved in theextractionare
Copperisextracted from copper pyrites afterroasting theoreis mixed with silica andcokeand then smelted in a blast furnace the matte obtained from theblast furnaceis charged into a silica lined converter some silica is also added and a hot air blast is thrown into the mixture to obtainblister copperwhich is purified by electrorefining
Dec 06 2019 bcopperobtained fromcopper pyriteshave a blistered appearance due to the evolution of so 2 and so it is called blistercopper c to selectively prevent the formation of froth by one of the sulphide ore present in a mixture of sulphide ores
Aug 21 2020extracting copperfrom its ores the method used to extractcopperfrom its ores depends on the nature of the ore sulfide ores such as chalcopyrite cufes2 are converted tocopperby a different method from silicate carbonate or sulfate ores chalcopyrite also known ascopper pyrites and similar sulfide ores are the commonest ores of
Extraction of copper from copper pyrite grade 12 science the principal ore ofcopperiscopper pyriteandcopperisextractedfrom this ore the different steps inextraction of copperare crushing and concentration the ore obtained from mines are broken down into
Apr 22 2019 3 metalcoppercu occurrencecopper pyrites cufes 2copperglance cu 2 s common method ofextractionroasting of sulphide partially and reduction cu 2 s fes is called matte blistercoppercontains 9698copperwith small amounts of ag and au as impurity 4 metal zinc zn occurrence zinc blen de or sphaleritezns calamine
Extraction of copper from sulphide ores copper is mostly extracted from the sulphide ore copper pyrites by means of the following two processes ismelting process iihydrometallurgical process smelting process modern copper metallurgy is based on the smelting process following steps are involved i concentration of the ore
Sulphide ores such as chalcopyrite are converted tocopperby a dissimilar method from silicate carbonate or sulphate ores the principal oreof copperiscopperpyrite andcopperis extracted from this oreextraction of copper from copper pyritesinvolves
Similarlycopperglance cupritecopper pyritesand malachites are the mineralsof coppercopperis extracted onlyfrom copperpyrite hence the oreof copperiscopperpyrite therefore all the ores are minerals but all the minerals are not oresextractionof elements most of the elements do not occur in free state but in combined states
Dec 06 2019 bcopperobtainedfrom copper pyriteshave a blistered appearance due to the evolution of so 2 and so it is called blistercopper c to selectively prevent the formation of froth by one of the sulphide ore present in a mixture of sulphide ores
Aug 21 2020extracting copperfrom its ores the method used to extractcopperfrom its ores depends on the nature of the ore sulfide ores such as chalcopyrite cufes2 are converted tocopperby a different method from silicate carbonate or sulfate ores chalcopyrite also known ascopper pyrites and similar sulfide ores are the commonest ores of
Extraction of copperfrom sulphide orescopperis mostly extracted from the sulphide orecopper pyrites by means of the following two processes ismelting process iihydrometallurgical process smelting process moderncoppermetallurgy is based on the smelting process following steps are involved i concentration of the ore
The slag obtained during theextraction of copperfrom coperpyritesis composed mainly of the slag obtained during theextraction of copperfrom coperpyritesis composed mainly of books class 12 class11class10class9class8class7class6 ncert easy reading alleen test solutions blog about us career course
Extraction of copper from cuprousoxide copperi oxidecopperis extracted mainlyfrom copper pyritescufes 2theextractioninvolve the following steps given in flow sheet
Class 12chemistryextraction of coppercu from 04032019 after watching this video you will be able to explain steps involved in theextraction of copper from copper pyritesore explain terms likecopper
Sep 04 2020 mcq questions forclass 12chemistry with answers were prepared based on the latest exam pattern we have provided general principles and processes of isolation of elementsclass 12chemistry mcqs questions with answers to help students understand the concept very well
Apr 22 2019 3 metalcoppercu occurrencecopper pyrites cufes 2copperglance cu 2 s common method ofextractionroasting of sulphide partially and reduction cu 2 s fes is called matte blistercoppercontains 9698copperwith small amounts of ag and au as impurity 4 metal zinc zn occurrence zinc blen de or sphaleritezns calamine
Extraction of copperfrom the chalcopyrite ore orcopperpyrite reaction 2cufes22sio24o2cu2s2fesio33so2 step 1 the ore is heated with silica in the presence of oxygen thecopperii in thecopperore is reduced to getcopperi
Oresof coppercontain iron oxide as an impurity silica reacts with iron oxide and forms iron silicate which is removed as slag in the smelting process such chemical reactions are taking place 1 oxidizing of thecopperpyrite 2 cufes2 s 3 o2 g 2 feo s 2 cus l 2 so2 g 2 conversion of iron oxides and sulfides into molten slag feo s sio2 s fesio3 l 2 fes s
2extractionof metalliccopper concentration of the ore by froth floatation processcopper pyritescontains only 23of copper the rest of the ore contains iron or sulphide silica silicious materials sulphur arsenic etc as impurities
Apr 22 2019 cbseclass 12chemistry notes ores and metallurgy extraction of copper by anand meena april 22 2019 in 12thclassclassnotes reading time 1min read 0 0 shares 0 copperis extracted mainlyfrom copper pyrites the various steps involved are click here for previous topic click here for next topic
2copper pyritesis converted to a mixture of cu 2 s and fes 2cufes 2 o 2 cu 2 s 2fes so 2 3 the sulphides of cu and fe are partially oxidized 2cu 2 s 3o 2 2cu 2 o 2so 2 2fes 3o 2 2feo 2so 2 smelting inextraction of copperthe roasted ore mixed with silica as flux is heated in a blast furnace by a blast of
Therefore it is more difficult to extractcopper from copper pyritesthan it is to extract from its oxide ore if you are satisfied with the solutions provided above then click on the direct link provided below and download all the ncertsolutions for class 12 chemistry chapter 6in pdf download cbseclass 12 chemistry chapter 6pdf solution
Ncert solutions forclass 12chemistry chapter 6 general principles and processes of isolation of elements solved by subject matter experts question 63 why is theextraction of copperfrompyritesmore difficult than that from its oxide so that carbon can able to reduce therefore theextraction of copperfrom its pyrite ore is more
Class12science chemistry general principles and processes of isolation of elements why is theextraction of copperfrompyritesmore difficult than that from its oxide ore through reduction share with your friends share 3 oxides ores are easy to reduce
The slag obtained during theextraction of copperfrom coperpyritesis composed mainly of the slag obtained during theextraction of copperfrom coperpyritesis composed mainly of books class 12 class11class10class9class8class7class6 ncert easy reading alleen test solutions blog about us career course
2extractionof metalliccopper concentration of the ore by froth floatation processcopper pyritescontains only 23of copper the rest of the ore contains iron or sulphide silica silicious materials sulphur arsenic etc as impurities
Jan 092021 extraction of metals chapter test medical 20 questions mcq test has questions ofclass 12preparation this test is rated positive by 90 students preparing forclass 12this mcq test is related toclass 12syllabus prepared byclass 12teachers
Oresof coppercontain iron oxide as an impurity silica reacts with iron oxide and forms iron silicate which is removed as slag in the smelting process such chemical reactions are taking place 1 oxidizing of thecopperpyrite 2 cufes2 s 3 o2 g 2 feo s 2 cus l 2 so2 g 2 conversion of iron oxides and sulfides into molten slag feo s sio2 s fesio3 l 2 fes s
Free pdf download of ncert solutions forclass 12chemistry chapter 6 general principles and processes of isolation of elements solved by expert teachers as per ncert cbse book guidelines general principles and processes of isolation of elements questions with solutions to help you to revise complete syllabus and score more marks in yourclass 12examinations
Jul 17 2020 free pdf download of cbse chemistry multiple choice questions forclass 12withanswers chapter 6 general principles and processes of isolationof elements chemistry mcqs forclass 12chapter wise with answers pdf download was prepared based on latest exam pattern students can solve ncertclass 12chemistrygeneral principles and processes of isolation
Gettingcopperfrom chalcopyrite cufes 2 chalcopyrite also known ascopper pyrites and similar sulphide ores are the commonest oresof copper the ores typically contain low percentagesof copperand have to be concentrated by for example froth flotation before refining
Mar 21 2020 3 the main mineralsof copperarecopperglance cu 2 s cuprite cu 2 ocopper pyritescufes 2 malachite cuco 3 cuoh 2 etc butcoppercan be conveniently extractedfrom copper pyrites therefore the oreof copperiscopper pyrites
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