Chemistry › Metallurgy
Metallurgy Questions
327 questions across 5 subtopics — with step-by-step solutions.
Ellingham diagram & Reduction methods, Refining of metal(95)
- For the reactions, | Chemistry | TestHub
- Heating mixture of and will give | Chemistry | TestHub
- Match the extraction processes listed in c... | Chemistry | TestHub
- Match the conversions in Column I with the... | Chemistry | TestHub
- Question:In self-reduction, the reducing s... | Chemistry | TestHub
- Question:Iron is removed from chalcopyrite as | Chemistry | TestHub
- The carbon-based reduction method is NOT u... | Chemistry | TestHub
- Upon heating with, the reagent(s) that giv... | Chemistry | TestHub
- Galena (an ore) is partially oxidized by p... | Chemistry | TestHub
- Given below are two statements: One is lab... | Chemistry | TestHub
- The correct option(s) related to the extra... | Chemistry | TestHub
- Gibbs energy vs plot for the formation of... | Chemistry | TestHub
- \underset{\text { (metal oxide) }}{\mathrm... | Chemistry | TestHub
- How many following metals are purified by... | Chemistry | TestHub
- Which is correct possible variation of lin... | Chemistry | TestHub
- Wrought iron is manufactured by melting ca... | Chemistry | TestHub
- In Ellingham diagram, which two metals oxi... | Chemistry | TestHub
- When the volatile complex formed in the Mo... | Chemistry | TestHub
- To prepare steel from cast iron - impuriti... | Chemistry | TestHub
- Find the magnitude of the free energy chan... | Chemistry | TestHub
- Sodium metal is obtained by | Chemistry | TestHub
- Why is the direct reduction of \mathrm{SnO... | Chemistry | TestHub
- The carbon-based reduction method is NOT u... | Chemistry | TestHub
- Which of the following statement is INCORR... | Chemistry | TestHub
- The refining process that can be employed... | Chemistry | TestHub
- Select the correct match. | Chemistry | TestHub
- For the ore same metal ion and anion as in... | Chemistry | TestHub
- Select the correct option. | Chemistry | TestHub
- In which of the following processes, the i... | Chemistry | TestHub
- Consider the following process. Ni + X(g)... | Chemistry | TestHub
- Temperature when CaO is possible to reduce... | Chemistry | TestHub
- A cylindrical rod of impure element is hea... | Chemistry | TestHub
- Which of the following is/are correct? | Chemistry | TestHub
- \mathrm{x}, \mathrm{y}, \mathrm{z} and G i... | Chemistry | TestHub
- For the following statements(1) Cast iron... | Chemistry | TestHub
- Which of the following refining process is... | Chemistry | TestHub
- Aqueous solution electro refining is NOT u... | Chemistry | TestHub
- The plot shows the variation of versus tem... | Chemistry | TestHub
- During zone refining process a circular he... | Chemistry | TestHub
- The correct option(s) related to the extra... | Chemistry | TestHub
- Which of the following species thermodynam... | Chemistry | TestHub
- Between \mathrm{T}_{1} and \mathrm{T}_{3}... | Chemistry | TestHub
- List - I(Metal extraction)List - II(Proces... | Chemistry | TestHub
- 75.0 g of carbon is reacted with water at... | Chemistry | TestHub
- Carbon based reduction of \mathrm{M}^{\pri... | Chemistry | TestHub
- Which of the following metals can not be e... | Chemistry | TestHub
- In Hopps cell most dense layer is :- | Chemistry | TestHub
- Consider Ellingham diagram for different m... | Chemistry | TestHub
- Select INCORRECT option : | Chemistry | TestHub
- During the extraction of which of the foll... | Chemistry | TestHub
- Which of the following statement is correc... | Chemistry | TestHub
- Metallic zinc is collected in the form of... | Chemistry | TestHub
- For the reduction of FeO at the temperatur... | Chemistry | TestHub
- For the ore contain same metal ion as in C... | Chemistry | TestHub
- Which of the following is INCORRECT regard... | Chemistry | TestHub
- Which of the following slope is/are INCORR... | Chemistry | TestHub
- Which is more easily reduce by carbon :- | Chemistry | TestHub
- Below point 'A' FeO can \_\_\_\_ . | Chemistry | TestHub
- Temperature after which 'Y' can reduce 'ZO... | Chemistry | TestHub
- 2 \mathrm{E}_{(\mathrm{s})}+\mathrm{O}_{2(... | Chemistry | TestHub
- How many metals are commercially obtained... | Chemistry | TestHub
- Which of the following is NOT correctly ma... | Chemistry | TestHub
- Select the correct matchesList - I(Change)... | Chemistry | TestHub
- Select the CORRECT statement(s) about the... | Chemistry | TestHub
- The anode mud in electrolytic refining of... | Chemistry | TestHub
- Among the following, total number of possi... | Chemistry | TestHub
- Consider the following metals and calculat... | Chemistry | TestHub
- Which of the following options are correct? | Chemistry | TestHub
- 2 \mathrm{E}_{(\mathrm{s})}+\mathrm{O}_{2(... | Chemistry | TestHub
- Which of the following statements are NOT... | Chemistry | TestHub
- 4 \mathrm{M}(\mathrm{s})+8 \mathrm{CN}^{-}... | Chemistry | TestHub
- Which of the following metal oxides are re... | Chemistry | TestHub
- Choose the CORRECT option of temperature a... | Chemistry | TestHub
- Match Column (I) with column (II) and sele... | Chemistry | TestHub
- An example of a disproportionation reactio... | Chemistry | TestHub
- How many of the following pair is CORRECTL... | Chemistry | TestHub
- Select the statement which is CORRECT ? | Chemistry | TestHub
- Assertion : Al is used as a reducing agent... | Chemistry | TestHub
- Element "X" has less size & less IE than e... | Chemistry | TestHub
- Temperature after which ' Y ' can reduce '... | Chemistry | TestHub
- A set of metallurgical and redox reactions... | Chemistry | TestHub
- In the alumino thermite process, Al acts as | Chemistry | TestHub
- To get pure metal from impure metals, ther... | Chemistry | TestHub
- The extraction of aluminium involves the e... | Chemistry | TestHub
- What products are formed during, the elect... | Chemistry | TestHub
- Select the correct option against the ment... | Chemistry | TestHub
- Match the list:List - I(Metals)List - II(P... | Chemistry | TestHub
- How many statements are correct about foll... | Chemistry | TestHub
- Between \mathrm{T}_{1} and \mathrm{T}_{3}... | Chemistry | TestHub
- Consider the following statement -If 'T' i... | Chemistry | TestHub
- Select CORRECT options by observing given... | Chemistry | TestHub
- Which of the following is NOT correctly ma... | Chemistry | TestHub
- How many following metals are purified by... | Chemistry | TestHub
- At about what minimum temperature, the met... | Chemistry | TestHub
- The following equation repreasents a metho... | Chemistry | TestHub
Extraction of Metals(101)
- Extraction for zinc from zinc blende is ac... | Chemistry | TestHub
- Extraction of metal from the ore cassiteri... | Chemistry | TestHub
- Copper is purified by electrolytic refinin... | Chemistry | TestHub
- Extraction of copper from copper pyriteinv... | Chemistry | TestHub
- The cyanide process of gold extraction inv... | Chemistry | TestHub
- Which among the following statement(s) is... | Chemistry | TestHub
- The correct statementrelated to the metal... | Chemistry | TestHub
- The electrochemical extraction of aluminiu... | Chemistry | TestHub
- The correct statement(s) related to proces... | Chemistry | TestHub
- Give the correct order of initials \mathbf... | Chemistry | TestHub
- Identify the incorrect statement. | Chemistry | TestHub
- Extraction of copper from copper pyrite \l... | Chemistry | TestHub
- Find correct statement | Chemistry | TestHub
- How many statements are CORRECT?(a) In spe... | Chemistry | TestHub
- Among statements (a) -(d), the correct one... | Chemistry | TestHub
- In which process, hot air is not used? | Chemistry | TestHub
- Which of the following is NOT related to e... | Chemistry | TestHub
- The oxidation state of Cu and Fe in Chalco... | Chemistry | TestHub
- Blister Cu contains maximum amount of :- | Chemistry | TestHub
- Statement-I : In the smelting of Iron ore... | Chemistry | TestHub
- In which of the following process oxidatio... | Chemistry | TestHub
- Match the list:List - I(Metals)List - II(P... | Chemistry | TestHub
- In Fe-extraction, the roasting is adopted... | Chemistry | TestHub
- Which of the following chemical reaction i... | Chemistry | TestHub
- During extraction of copper, it is obtaine... | Chemistry | TestHub
- Match the items of Column-I with items of... | Chemistry | TestHub
- Metal 'M' is - | Chemistry | TestHub
- "Hydro metallurgy" method is used for the... | Chemistry | TestHub
- Few elements are given as follows : \mathr... | Chemistry | TestHub
- The correct statement(s) related to the me... | Chemistry | TestHub
- The CORRECT statements about the metallurg... | Chemistry | TestHub
- Which of the following statement(s) is/are... | Chemistry | TestHub
- Extraction of copper from copper pyrite \l... | Chemistry | TestHub
- Which of the following process is/are invo... | Chemistry | TestHub
- Number of elements whose extraction done b... | Chemistry | TestHub
- Consider the following reactions that occu... | Chemistry | TestHub
- Which among the following statement(s) is(... | Chemistry | TestHub
- Which of the following are correctly matched? | Chemistry | TestHub
- Identify the incorrect statement | Chemistry | TestHub
- How many are correctly matched : (i) Self... | Chemistry | TestHub
- The incorrectly matched set among the foll... | Chemistry | TestHub
- Consider the following statement -(I) Impu... | Chemistry | TestHub
- Which of the following statements is correct | Chemistry | TestHub
- Silver is oxidised in :- | Chemistry | TestHub
- Which of the following chemical reaction i... | Chemistry | TestHub
- The number of moles of CuO , that will be... | Chemistry | TestHub
- Column (I) (Chemical change during metallu... | Chemistry | TestHub
- In the Pidgeon process, Mg is produced by : | Chemistry | TestHub
- Metal Cu is not produces on :- | Chemistry | TestHub
- Consider the following statements about th... | Chemistry | TestHub
- where 'X', 'Y' & 'Z' are respectively | Chemistry | TestHub
- The CORRECT statement(s) related to proces... | Chemistry | TestHub
- Select CORRECT for Hall-Heroult process us... | Chemistry | TestHub
- Consider the following metallurgical proce... | Chemistry | TestHub
- Which of the following statements are corr... | Chemistry | TestHub
- In the metallurgy of aluminium, what is th... | Chemistry | TestHub
- Which of the following statement is INCORR... | Chemistry | TestHub
- Find the number of metals whose extraction... | Chemistry | TestHub
- Consider the following extraction process... | Chemistry | TestHub
- The reaction(s) which is/are NOT primarily... | Chemistry | TestHub
- Extraction of metal from the ore cassiteri... | Chemistry | TestHub
- Select incorrect statement regarding silve... | Chemistry | TestHub
- Calcium silicate slag formed in extraction... | Chemistry | TestHub
- What mass of Zn in kg will be obtained fro... | Chemistry | TestHub
- Which process decreases the % of iron cont... | Chemistry | TestHub
- Consider the following species: Cresol, An... | Chemistry | TestHub
- Which of the following conversion is CORRE... | Chemistry | TestHub
- Which of the following statement is CORREC... | Chemistry | TestHub
- In which option both the pair of reactions... | Chemistry | TestHub
- The electrochemical extraction of aluminum... | Chemistry | TestHub
- Identify the process to which the followin... | Chemistry | TestHub
- In the given flow diagram of extraction of... | Chemistry | TestHub
- In extraction of iron in a blast furnace,... | Chemistry | TestHub
- In extraction of gold and silver, the resp... | Chemistry | TestHub
- List - IConsider the following metallurgic... | Chemistry | TestHub
- Select correct for metallurgical process w... | Chemistry | TestHub
- NaCN is sometimes added in the froth flota... | Chemistry | TestHub
- Which of the following alloys do not conta... | Chemistry | TestHub
- Hoop's process of purification of aluminiu... | Chemistry | TestHub
- The electrochemical extraction of aluminum... | Chemistry | TestHub
- The methods chiefly used for the extractio... | Chemistry | TestHub
- The compound KCN is traditionally used to... | Chemistry | TestHub
- Which of the following is correct for " \m... | Chemistry | TestHub
- Which of the following statement is correc... | Chemistry | TestHub
- In preparation of a very important chemica... | Chemistry | TestHub
- Which of the following metal is not presen... | Chemistry | TestHub
- Which one of the following is incorrectly... | Chemistry | TestHub
- Which of the following statements is/are C... | Chemistry | TestHub
- Molten mixture of NaCl and \mathrm{CaCl}_{... | Chemistry | TestHub
- The correctly matched set among the follow... | Chemistry | TestHub
- Which of the following term is not related... | Chemistry | TestHub
- Consider the following statement -If 'T' i... | Chemistry | TestHub
- Addition of \mathrm{SiO}_{2} from external... | Chemistry | TestHub
- Which of the following metal can be obtain... | Chemistry | TestHub
- Which of the following process is not invo... | Chemistry | TestHub
- Hydrometallurgy is | Chemistry | TestHub
- Which of the following statements are corr... | Chemistry | TestHub
- The incorrect statement related to the met... | Chemistry | TestHub
- During extraction of Cu from copper pyrite... | Chemistry | TestHub
- Which of the following statement(s) regard... | Chemistry | TestHub
- In Mac-arthur forest process, crude Au is... | Chemistry | TestHub
Introduction, ore, mineral(52)
- Total number of ore (minerals) of Cu from... | Chemistry | TestHub
- Oxidation states of the metal in the miner... | Chemistry | TestHub
- Sulfide ores are common for the metals | Chemistry | TestHub
- Match the anionic species given in Column... | Chemistry | TestHub
- Calamine, malachite, magnetite and cryolit... | Chemistry | TestHub
- The cyanide process of gold extraction inv... | Chemistry | TestHub
- Which of the following is correct for frot... | Chemistry | TestHub
- Which of the following minerals do/does no... | Chemistry | TestHub
- Which mineral contain iron as \mathrm{Fe}^... | Chemistry | TestHub
- The floating characteristics is improved b... | Chemistry | TestHub
- Match List-I with List-II and select the c... | Chemistry | TestHub
- Find the total number of ore in which any... | Chemistry | TestHub
- Which of the following statement is/are CO... | Chemistry | TestHub
- Common impurities present in Bauxite are | Chemistry | TestHub
- The number of carbonate ore among the foll... | Chemistry | TestHub
- Which of the following process(es) is/are... | Chemistry | TestHub
- Select the ore in which corresponding meta... | Chemistry | TestHub
- The total number of correct matchingsMain... | Chemistry | TestHub
- A mineral consists of equimolar mixture of... | Chemistry | TestHub
- Which of the following statement is not as... | Chemistry | TestHub
- The incorrect statement about tinstone ore... | Chemistry | TestHub
- Select correct order for the % of carbon i... | Chemistry | TestHub
- When ZnS and PbS minerals are present toge... | Chemistry | TestHub
- By which process pure alumina is produced... | Chemistry | TestHub
- Which ores having two different metal with... | Chemistry | TestHub
- Select INCORRECT process involved in extra... | Chemistry | TestHub
- Among the following statements, the incorr... | Chemistry | TestHub
- List - IOres NameList - IICorrect Formula(... | Chemistry | TestHub
- Concentration of ore is necessary to remov... | Chemistry | TestHub
- The toxic pigment white lead \mathrm{Pb}_{... | Chemistry | TestHub
- Metal M is a light-red metal, which is sof... | Chemistry | TestHub
- Which of the following ore having more tha... | Chemistry | TestHub
- From the given minerals calculate the numb... | Chemistry | TestHub
- Iron is NOT present in the form of sulphid... | Chemistry | TestHub
- Which of the following processes is/are th... | Chemistry | TestHub
- Find the number of type of metal present i... | Chemistry | TestHub
- From the low grade copper ore, leached cop... | Chemistry | TestHub
- Match the list :List - IOres NameList - II... | Chemistry | TestHub
- Total number of ore (minerals) of Cu from... | Chemistry | TestHub
- List - I(Given % Composition by mass Relat... | Chemistry | TestHub
- Ore in which same oxidation state of metal... | Chemistry | TestHub
- Consider the following mineral sphalerite,... | Chemistry | TestHub
- Practice Question | Chemistry | TestHub
- The correct statements are : | Chemistry | TestHub
- Consider following oresBauxite , Cryolite... | Chemistry | TestHub
- Which of the following ores is (are) conce... | Chemistry | TestHub
- Match List I with List II.Choose the corre... | Chemistry | TestHub
- Find the number of ores in which any metal... | Chemistry | TestHub
- Assertion :- Wolframite impurities are sep... | Chemistry | TestHub
- If the oxidation state of copper and iron... | Chemistry | TestHub
- Which of the following ore(s) contain(s) c... | Chemistry | TestHub
- Which of the following process (es) are us... | Chemistry | TestHub
Miscellaneous/Mixed(15)
- For the mixtures of sulphide ores (like Pb... | Chemistry | TestHub
- The ignition mixture in "Alumino thermite"... | Chemistry | TestHub
- Which of the following steel making proces... | Chemistry | TestHub
- When a sulphide ore of a noble metal is tr... | Chemistry | TestHub
- Practice Question | Chemistry | TestHub
- Which of the following metal is not presen... | Chemistry | TestHub
- Complexes formed in the following methods... | Chemistry | TestHub
- Assertion :- Sulphide ores are concentrate... | Chemistry | TestHub
- When a sulphide ore of a noble metal is tr... | Chemistry | TestHub
- Which of the following statement is/are CO... | Chemistry | TestHub
- Find the number of CORRECT statements for... | Chemistry | TestHub
- To obtain silver from silver amalgam it is... | Chemistry | TestHub
- Which of the following is the alloy of Cu. | Chemistry | TestHub
- The overall floating of the ore occurs due... | Chemistry | TestHub
- The metallargical process in which a metal... | Chemistry | TestHub
Purification of Ores, Calcination and roasting(64)
- Native silver metal forms a water soluble... | Chemistry | TestHub
- Question:Partial roasting of chalcopyrite... | Chemistry | TestHub
- In the cyanide extraction process of silve... | Chemistry | TestHub
- When limestone is heated, \mathrm{CO}_{2}... | Chemistry | TestHub
- Consider the following conversion which ar... | Chemistry | TestHub
- Roasting and, or calcination are performed at | Chemistry | TestHub
- In the froth flotation method of ore of a... | Chemistry | TestHub
- A metal (M) is extracted from its sulphide... | Chemistry | TestHub
- Among the following statements, the incorr... | Chemistry | TestHub
- Oxidation of ore is involved in : | Chemistry | TestHub
- \operatorname{Ore}\left(\mathrm{X}_{1}\rig... | Chemistry | TestHub
- Select the INCORRECT statement :- | Chemistry | TestHub
- Galena (an ore) is partially oxidized by p... | Chemistry | TestHub
- The total number of reactions among the fo... | Chemistry | TestHub
- Partial roasting of chalcopyrite does prod... | Chemistry | TestHub
- Match the folloiwng list :-List - I(Impure... | Chemistry | TestHub
- Zinc blende on roasting in air gives :- | Chemistry | TestHub
- The group of metals commonly found in the... | Chemistry | TestHub
- Match the following | Chemistry | TestHub
- Which of the following reactions occur dur... | Chemistry | TestHub
- Match the column : | Chemistry | TestHub
- Which of the following is incorrect statem... | Chemistry | TestHub
- For the conversion of ore into their oxide... | Chemistry | TestHub
- Zinc blende ore on roasting at above 850^{... | Chemistry | TestHub
- Which of the following impurities are typi... | Chemistry | TestHub
- CORRECT statement is/are | Chemistry | TestHub
- Cassiterite ore is consisting of magnetic... | Chemistry | TestHub
- Which of the following is/are correct? | Chemistry | TestHub
- Which of the following statement is CORRECT ? | Chemistry | TestHub
- During the concentration of white bauxite... | Chemistry | TestHub
- Choose the correct option(s). | Chemistry | TestHub
- ' P ' is ore of Chromium. During formation... | Chemistry | TestHub
- CORRECT statement for leaching is/are :- | Chemistry | TestHub
- Match each metallurgical operation (List-I... | Chemistry | TestHub
- In order to concentrate galena (which cont... | Chemistry | TestHub
- An ore mixture that can be separated by ma... | Chemistry | TestHub
- When red bauxite is treated with KOH solut... | Chemistry | TestHub
- How many of the given consequences are in... | Chemistry | TestHub
- Assertion : Aluminium, Silver, Gold are co... | Chemistry | TestHub
- Which of the following statement is CORRECT ? | Chemistry | TestHub
- Which of the following statement is/are CO... | Chemistry | TestHub
- Iron ore \left(\mathrm{O}_{1}\right) \xrig... | Chemistry | TestHub
- Ore of a metal \mathbf{M} \xrightarrow{\te... | Chemistry | TestHub
- Which of the following pairs is CORRECTLY... | Chemistry | TestHub
- The 'roasting' of 100.0 g of a copper ore... | Chemistry | TestHub
- Consider following statements : (1) \mathr... | Chemistry | TestHub
- Consider the following process and identif... | Chemistry | TestHub
- When roasting is carried out :(i) Sulphide... | Chemistry | TestHub
- Correct statement is/are | Chemistry | TestHub
- Choose the correct code regarding Roasting... | Chemistry | TestHub
- Which of the following conversion is CORRE... | Chemistry | TestHub
- In which option(s) pair of both reactions... | Chemistry | TestHub
- Match List-I with List-IIChoose the correc... | Chemistry | TestHub
- Choose the CORRECT statements about roasti... | Chemistry | TestHub
- Consider the following conversion which ar... | Chemistry | TestHub
- Which of the following reaction is an exam... | Chemistry | TestHub
- Choose the correct option using the code r... | Chemistry | TestHub
- The main function of roasting is | Chemistry | TestHub
- Consider the following minerals : Calamine... | Chemistry | TestHub
- For which of the following ores, is roasti... | Chemistry | TestHub
- Regarding Froth floatation method select C... | Chemistry | TestHub
- Select the CORRECT statement(s) : | Chemistry | TestHub
- Zinc blende ore on roasting at above 850^{... | Chemistry | TestHub
- Which of the following is not a method of... | Chemistry | TestHub
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