Carbonates hydrides and sulphide ores are usually converted into oxide compounds during the metal extraction processes why Give the names of each process depending on the ore type Write these conversion reactions and indicate differences considering the offgases
Carbonate or sulphide ores of metals are first converted into respective oxides and then oxides are reduced to respective metals extraction of zinc zinc blende zns zinc sulphide and smithsonite or zinc spar or calamine znco3 zinc carbonate are ores of zinc zinc blende is roasted to be converted into zinc oxide
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A carbonate ore is first converted into oxide ore by calcination a sulphide ore is converted into oxide ore by roasting 1 calcination process it is the process of heating the concentrated ore at a temperature not sufficient to melt the ore the water content and the volatile impurities also get expelled zinc carbonate in its ore calamine
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Why are metals sulphide and carbonate converted into metal oxide prior to reduction during the extraction of metals explain by giving one example in e video embedded018332extraction of metals metals from ores the extraction of metals and minerals is ore is heated in absence of air sulphide ores are converted into
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Dec 20 2019nbsp018332a metal oxide is generally less stable than the metal sulfide thus reduction of metal oxide is easier than the reduction of metal sulfide hence a sulfide ore is first converted into its oxide before reduction this process is known as roasting
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Jun 14 2018nbsp018332this discussion on why is sulphide ore converted to its oxide before reduction is done on edurev study group by class 10 students the questions and answers of why is sulphide ore converted to its oxide before reduction are solved by group of students and teacher of class 10 which is also the largest student community of class 10
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To prevent its reaction with food at high temperature a protective layer of aluminium oxide al2o3 is formed which prevent further corrosion dcarbonate and sulphide ores are usually converted into oxides during the process of extraction because it is easier to obtain metal from its oxide as compared with its sulphides or carbonates ore
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There are different types of sulfide minerals selenides tellurides and antimonides are just a few of the classes that sulfide minerals have second sulfides differ from oxides through their composition oxides are those minerals that contain oxide anions or oxygen with ice and quartz being the exceptions
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Nov 22 2019nbsp018332sulphide ores have higher melting points than oxides d oxides are more stable than sulphides hence easy to reduce november 22 2019 yukta christina answer sulphides ores are converted to oxides before reduction because sulphides cannot be reduced easily while oxides can be reduced easily which of the following metals oxide can be
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Mar 20 2019nbsp0183321 it is the process by which a carbonate ore is heated strongly in the absence of air to convert into metal oxide it is a process in which sulphide ore is heated in the presence of air to convert into metal oxide 2 znco 3 gtzno co 2 2znsgt2zno2 so 2 3 o 2
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Difference of oxide and sulphide flotationigh grade oxide sulfide copper ore mines 017131 as a goldexploration machine peru mainly gold ore mix gold with quartz world into copper sulfide nickel ore and nickel oxide ore flotation is the main high with high quality in syria manganese ore mining and processing for kaolin in peru
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Why are carbonate or sulphide ores converted to oxides during the process of extraction is magnesium oxide an ionic compound or a covalent compound give reasons to support your answer solution 1 cinnabar is heated in air it is first converted into mercuric oxide mercuric
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Conversion of the ore into oxide form reducing the oxide back to the metal generally the conversion of the ore into oxide can be done by two different ways calcination and roasting calcination is the process of heating the ore below its melting point almost in the absence of air
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So ores found in the form of sulphide and carbonates are first converted to their oxides by the process of roasting and calcination oxides of metals so obtained are converted into metals by the process of reduction roasting heating of sulphide ores in the presence of excess air to convert them into oxides is known as roasting
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I oxide ores are calcined to remove moisture and other volatile impurities al 2 o 3 2h 2 o al 2 o 3 2h 2 o ii carbonate ores are calcined to expel carbon dioxide caco 3 cao co 2 caco 3 mgco 3 cao mgo 2co 2 cuco 3 cuoh 2cuo h 2 o co 2 sulphide ores are usually converted to oxides by roasting
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B to convert the ore into oxide of the metal because it is easier to reduce an oxide than the carbonate or sulphide the processes employed for preliminary treatment are calcination and roasting 1 calcination it is a process of heating the ore in a limited supply of air below its melting point the process involves
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The concentrated ores can be converted into metal oxide by calcination or roasting calcination it is the process in which a carbonate ore is heated strongly in the absence of air toconvert it into a metal oxide
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For example zinc sulphide is converted into zinc oxide by roasting calcination it is the process in which carbonate ores of the metals are decomposed into oxides by heating them in the absence or limited air for example zinc carbonate is decomposed into zinc oxide
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The smelter for sulfide ores produces sulfur dioxide gas this is scrubbed from the flue gases to make sulfuric acid for leaching copper from oxide ores scrubbing sulfur dioxide also protects the environment for example feos sio 2 s feosio 2 slag this is
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The production of metal from the concentrated ore mainly involves reduction process this can be usually done by two process known as calcination and roasting process the method depends upon the nature of ore a carbonate ore is converted into oxide by calcination while a sulphide ore is converted into oxide by roasting
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Carbonate ores are subjected to calcination while sulphide ores are subjected to roasting calcination is the heating of ore in the absence or presence of minimum amount of air whereas roasting is the heating of ore in excessive air at a temperature below the melting point of the metalthese processes are done to convert the ores into oxide form
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Reason r oxide ores are heavy and have high specific gravity answer a a and r are correct r explains a question 3 assertiona sulphide ores are concentrated by froth floatation process reason r sulphide ores are preferentially wetted by oil can be separated from gangue answer a a and r are correct r explains a
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Apr 21 2018nbsp018332such convertion process is called as roasting this process is generally applied to sulfide minerals during roasting the sulfide is converted to an oxide and sulfur is released as sulfur dioxide a gas also an exothermic processwhich release
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Aug 15 2010nbsp018332oxides of substance are easy to purify than other oresso for purification all the ores are first converted into its oxidesulphide ores are converted into its oxide by a process called roastingin this process the sulphide ore is strongly heated in excess of oxygen to form its oxidesthe process of converting carbon ores into its oxides is called calcificationthis is done by heating the
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The concentrated ores can be converted into metal oxides by the process of calcination or roasting calcination it the process in which a carbonate ore is heated strongly in the absence of air to convert it into a metal oxide for example when zinc carbonate is heated strongly in the absence of air it decomposes to form zinc oxide and carbon
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Sulphide oxide ores and oxide coppercobalt ores varies from one ore type to the next m ainly by type of collector and sulphidiser used the choice of reagent scheme depends largely on the type
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It is a process in which a sulphide ore is converted into its oxide ore by heating it strongly in the presence of excess air eg hgs o 2gt hgo so 2 hgo c gt hg co 2 calcination it is a process in which a carbonate ore is converted to its oxide ore by heating it strongly in the presence of limited air or in absence of air
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Yes sulphur have ores such ores are called sulphide ores these sulphide ores are purified by the process called roasting this is the process which involves heating with oxygen and then
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Carbonate and sulphide ores are usually converted into oxides during the process of extraction of metals because it is easier to obtain metals from their oxides
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The sulphide ores of metals can be converted into their oxides by roasting while the carbonate ores of metals can be converted into their oxides by calcinations 1 roasting it may be defined as the process of strongly heating a sulphide ore in the presence of air to convert it into metal oxide for example 2zns 3o 2 2zno 2so 2 zinc
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Carbonate and sulphide ores are usually converted into oxides during the process of extraction why answer obtaining a metal from its oxide is much easier than doing that from a metal sulphide or carbonate due to this metal sulphides and carbonates are first converted to
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