Which of the following diagrams is correctly related to different steps involved in the extraction of Sn form cassiterite Ore?

Which of the following diagrams is correctly related to different steps involved in the extraction of Sn form cassiterite Ore?
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Which of the following diagrams is correctly related to different steps involved in the extraction ... displacement method `rarr` Vapour phase refing
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The correct sequence of steps involved in extraction of metal from its ore is a) removal of impurities, purify metal, reduction of ore b) purify metal, removal of impurities, reduction of metal ore . c) concentration of ore , refining of metal , reduction d) removal of impurities from ore , reduction of ore , refining of metal

Description : The correct sequence of steps involved in extraction of metal from its ore is a) removal of impurities, purify metal, reduction of ore b) purify metal, removal of impurities, reduction of metal ore . c ... of metal , reduction d) removal of impurities from ore , reduction of ore , refining of metal

Last Answer : d) removal of impurities from ore , reduction of ore , refining of metal

Name the sequential steps involved in extraction of copper from its copper pyrite ore.

Description : Name the sequential steps involved in extraction of copper from its copper pyrite ore.

Last Answer : sequential steps involved in extraction of copper from its copper pyrite ore

Cassiterite ore `(SnO_(2))` is purified by

Description : Cassiterite ore `(SnO_(2))` is purified by

Last Answer : Cassiterite ore `(SnO_(2))` is purified by A. Magnetic separator B. roasting C. leaching D. Calcination

The magnetic impurity present in cassiterite ore is

Description : The magnetic impurity present in cassiterite ore is

Last Answer : The magnetic impurity present in cassiterite ore is A. Silica B. Wolframite C. `SnO_(2)` D. Clay

The main ore of uranium is (A) Pitchblende (B) Monazite sand (C) Cassiterite (D) Chalcopyrite

Description : The main ore of uranium is (A) Pitchblende (B) Monazite sand (C) Cassiterite (D) Chalcopyrite

Last Answer : (A) Pitchblende

Cassiterite is an ore of (A) Tin (B) Lead (C) Molybdenum (D) Chromium

Description : Cassiterite is an ore of (A) Tin (B) Lead (C) Molybdenum (D) Chromium

Last Answer : (A) Tin

Electrometallurgy is not involved in the extraction of __________ from its ore. (A) Aluminium (B) Tin (C) Lead (D) Both (B) & (C)

Description : Electrometallurgy is not involved in the extraction of __________ from its ore. (A) Aluminium (B) Tin (C) Lead (D) Both (B) & (C)

Last Answer : (D) Both (B) & (C)

10.(a) An ore on treatment with dilute hydrochloric acid produces brisk effervesces. What type of ore is this? What steps will be required to obtain metal from the enriched ore. , (b) Copper coin is kept immersed in silver nitrate solution for some time. What change will take place in coin and colour of the solution ? Write balanced chemical equation of the reaction involved. -Chemistry

Description : 10.(a) An ore on treatment with dilute hydrochloric acid produces brisk effervesces. What type of ore is this? What steps will be required to obtain metal from the enriched ore. , (b) ... in coin and colour of the solution ? Write balanced chemical equation of the reaction involved. -Chemistry

Last Answer : (a) Carbonate ore: (i) Calcination: Carbonate ore is heated in limited supply of air and oxide is obtained, e.g. (b) Copper, being more reactive than silver will displace silver from silver nitrate ... and there will be deposition of silver on copper coin. The colour of solution will turn to blue.

Which of the following diagram is correctly related to extraction of pb from galena?

Description : Which of the following diagram is correctly related to extraction of pb from galena?

Last Answer : Which of the following diagram is correctly related to extraction of pb from galena? A. Galena ... ("Electrolytic ") underset(" reduction")rarrPb`

Which diagram is correctly related to the extraction of Zn from Calamine?

Description : Which diagram is correctly related to the extraction of Zn from Calamine?

Last Answer : Which diagram is correctly related to the extraction of Zn from Calamine? A. Calamine` overset(" ... ore`overset("Reduction by carbon") rarr Zn`

Describe the process of nutrition in Draw labelled diagrams to show the various steps in the nutrition in Amoeba. -Science

Description : Describe the process of nutrition in Draw labelled diagrams to show the various steps in the nutrition in Amoeba. -Science

Last Answer : Nutrition in amoeba: Nutrition in amoeba involves the following steps (i) Ingestion ? Amoeba has no mouth for ingestion of food. It ingests the food by using its pseudopodia. The food is engulfed ... cell and the cell membrane ruptures. Through this, the undigested food is thrown out of the body.

Explain crossbar exchange, with all call processing steps and diagrams

Description : Explain crossbar exchange, with all call processing steps and diagrams

Last Answer : The basic idea of crossbar switching is to provide a matrix of n x m sets of contacts with only n + m activators or less to select one of the n x m sets of contacts. This form of ... a contact is established at the cross point 6 such that the subscriber B is connected to the subscriber C. 

Number of oxide orwesd among , (i) Cassiterite (ii) pyrolusite (iii) Kieserite (iv) Azurite (V) chromite (vi) siderite are.

Description : Number of oxide orwesd among , (i) Cassiterite (ii) pyrolusite (iii) Kieserite (iv) Azurite (V) chromite (vi) siderite are.

Last Answer : Number of oxide orwesd among , (i) Cassiterite (ii) pyrolusite (iii) Kieserite (iv) Azurite (V) chromite (vi) siderite are.

How many of the following are oxides ores (i) Carnalite (ii) Cuprite (iii) Cassiterite (iv) Chromite (v) Cinnabar (vi) Calamine (vii) Cerussite (Viii)

Description : How many of the following are oxides ores (i) Carnalite (ii) Cuprite (iii) Cassiterite (iv) Chromite (v) Cinnabar (vi) Calamine (vii) Cerussite (Viii)

Last Answer : How many of the following are oxides ores (i) Carnalite (ii) Cuprite (iii) Cassiterite (iv) ... (vii) Cerussite (Viii) Chalocopyrite (ix) Chalcocite

Which of the following ores does not contain iron? (1) Haematite (2) Magnetite (3) Limonite (4) Cassiterite

Description : Which of the following ores does not contain iron? (1) Haematite (2) Magnetite (3) Limonite (4) Cassiterite

Last Answer : (4) Cassiterite

Which of the following is not a non-metalliferous mineral? (A) Calcite (B) Fluorspar(C) Quartz(D) Cassiterite

Description : Which of the following is not a non-metalliferous mineral? (A) Calcite (B) Fluorspar (C) Quartz (D) Cassiterite

Last Answer : (C) Quartz (D) Cassiterite

Which one of the following is a mineral of iron? (1) Magnetite (2) Malachite (3) Cassiterite (4) Pyrolusite

Description : Which one of the following is a mineral of iron? (1) Magnetite (2) Malachite (3) Cassiterite (4) Pyrolusite

Last Answer : Magnetite

In the process of extraction of gold. Roasted gold ore `+CN^(-)+H_(2)O overset(O_(2))rarr [X]+OH^(-)` `[X]+Znrarr [Y]+Au` Identify the complexes `[X]

Description : In the process of extraction of gold. Roasted gold ore `+CN^(-)+H_(2)O overset(O_(2))rarr [X]+OH^(-)` `[X]+Znrarr [Y]+Au` Identify the complexes `[X]

Last Answer : In the process of extraction of gold. Roasted gold ore `+CN^(-)+H_(2)O overset(O_(2))rarr [X]+OH^(-)` `[X]+ ... (4)]^(-),[Y] =[Zn (CN_(4))]^(-2)`

In the cyanide extraction process of silver from argentite ore, the oxidising and reducing agents are

Description : In the cyanide extraction process of silver from argentite ore, the oxidising and reducing agents are

Last Answer : In the cyanide extraction process of silver from argentite ore, the oxidising and reducing agents are ... D. `HNO_(3) and CO` respectively

Extraction of copper is done using copper pyrites. After roasting, the ore is mixed with silica and coke and then smelted in a blast furnace. The matt

Description : Extraction of copper is done using copper pyrites. After roasting, the ore is mixed with silica and coke and then smelted in a blast furnace. The matt

Last Answer : Extraction of copper is done using copper pyrites. After roasting, the ore is mixed with silica and coke and ... D. `Cu_(2)O +FeO`(large amount).

Extraction of copper is done using copper pyrites. After roasting, the ore is mixed with silica and coke and then smelted in a blast furnace. The matt

Description : Extraction of copper is done using copper pyrites. After roasting, the ore is mixed with silica and coke and then smelted in a blast furnace. The matt

Last Answer : Extraction of copper is done using copper pyrites. After roasting, the ore is mixed with silica and coke and then ... CaSiO_(3)` D. `Cu_(2)O.SiO_(2)`

Extraction of copper is done using copper pyrites. After roasting, the ore is mixed with silica and coke and then smelted in a blast furnace. The matt

Description : Extraction of copper is done using copper pyrites. After roasting, the ore is mixed with silica and coke and then smelted in a blast furnace. The matt

Last Answer : Extraction of copper is done using copper pyrites. After roasting, the ore is mixed with silica and coke and ... (3)` D. To check the reduction of FeO

Extraction of copper is done using copper pyrites. After roasting, the ore is mixed with silica and coke and then smelted in a blast furnace. The matt

Description : Extraction of copper is done using copper pyrites. After roasting, the ore is mixed with silica and coke and then smelted in a blast furnace. The matt

Last Answer : Extraction of copper is done using copper pyrites. After roasting, the ore is mixed with silica and coke and then ... O` D. `CuCO_(3).Cu(OH)_(2)`

The reaction (s) which does (do) not occur in the reduction zone in the extraction of iron from haematite ore is (are)

Description : The reaction (s) which does (do) not occur in the reduction zone in the extraction of iron from haematite ore is (are)

Last Answer : The reaction (s) which does (do) not occur in the reduction zone in the extraction of iron from haematite ore ... ` D. `CaO + SiO_(2) rarr CaSiO_(3)`

Consider the following statements and arrange in the order of true/false as given in the codes.`S_(1)`: In extraction of iron from haematite ore, the

Description : Consider the following statements and arrange in the order of true/false as given in the codes.`S_(1)`: In extraction of iron from haematite ore, the

Last Answer : Consider the following statements and arrange in the order of true/false as given in the codes.`S_(1)`: In ... `. A. TFTT B. FTFF C. FFTT D. TFFT

Statement-1: Extraction of gold from its native ore involves leaching the metal wih dilute solution of NaCN in presence of air. Statement-2:This is an

Description : Statement-1: Extraction of gold from its native ore involves leaching the metal wih dilute solution of NaCN in presence of air. Statement-2:This is an

Last Answer : Statement-1: Extraction of gold from its native ore involves leaching the metal wih dilute solution of ... -1 is false but Statement -2 is true

The reaction (s) which does (do) not occur in the reduction zone in the extraction of iron from haematite ore is (are)

Description : The reaction (s) which does (do) not occur in the reduction zone in the extraction of iron from haematite ore is (are)

Last Answer : The reaction (s) which does (do) not occur in the reduction zone in the extraction of iron from haematite ore ... ` D. `CaO + SiO_(2) rarr CaSiO_(2)`

The reaction (s) which does (do) not occur in the reduction zone in the extraction of iron from haematite ore is (are)

Description : The reaction (s) which does (do) not occur in the reduction zone in the extraction of iron from haematite ore is (are)

Last Answer : The reaction (s) which does (do) not occur in the reduction zone in the extraction of iron from haematite ore ... ` D. `CaO + SiO_(2) rarr CaSiO_(3)`

In the process of extraction of gold, Roasted gold ore `+CN^(-)+H_2Ooverset(o_2)rarr[X]+OH^(-)` `[X]+Znrarr[Y]+Au` Identify the complexes [X] and [Y]

Description : In the process of extraction of gold, Roasted gold ore `+CN^(-)+H_2Ooverset(o_2)rarr[X]+OH^(-)` `[X]+Znrarr[Y]+Au` Identify the complexes [X] and [Y]

Last Answer : In the process of extraction of gold, Roasted gold ore `+CN^(-)+H_2Ooverset(o_2)rarr[X]+OH^(-)` `[X]+Znrarr[Y]+Au` ... _(4)]^(3-),Y=[Zn(CN)_(6)]^(2-)`

The common method for the extraction of metals from the oxide ore is :

Description : The common method for the extraction of metals from the oxide ore is :

Last Answer : The common method for the extraction of metals from the oxide ore is : A. Reduction with carbon B. ... . reduction with `H_(2)` D. electrolytic method

In the extraction of iron in the blast furnace, the reducing agent for the ore is

Description : In the extraction of iron in the blast furnace, the reducing agent for the ore is

Last Answer : In the extraction of iron in the blast furnace, the reducing agent for the ore is A. Carbon monoxide B. Carbon dioxide C. Carbon D. Silica

The main reactions occuring in blast furnace during extraction of iron from haematite ore…..

Description : The main reactions occuring in blast furnace during extraction of iron from haematite ore…..

Last Answer : The main reactions occuring in blast furnace during extraction of iron from haematite ore .. A. `Fe_(2)O_ ... 3Cto2Fe+3CO` D. `CaO+SiO_(2)toCaSiO_(2)`

Extraction of `Ag` from sulphide ore and removal of unreacted silver bromide from phorographic plate involve complexes:

Description : Extraction of `Ag` from sulphide ore and removal of unreacted silver bromide from phorographic plate involve complexes:

Last Answer : Extraction of `Ag` from sulphide ore and removal of unreacted silver bromide from phorographic plate involve ... (3))_(2)]^(3-)` respectively

In the extraction of Cu from its sulphide ore, the metal is formed by reduction of `Cu_(2)O` with

Description : In the extraction of Cu from its sulphide ore, the metal is formed by reduction of `Cu_(2)O` with

Last Answer : In the extraction of Cu from its sulphide ore, the metal is formed by reduction of `Cu_(2)O` with A. FeS B. CO C. `Cu_(2)S` D. `SO_(2)`

In the cyanide extraction process of silver from argentite ore, the oxidising and reducing agents are

Description : In the cyanide extraction process of silver from argentite ore, the oxidising and reducing agents are

Last Answer : In the cyanide extraction process of silver from argentite ore, the oxidising and reducing agents are ... D. `HNO_(3)` and CO respectively

The most suitable method for extraction of copper from low grade sulphide ore is

Description : The most suitable method for extraction of copper from low grade sulphide ore is

Last Answer : The most suitable method for extraction of copper from low grade sulphide ore is A. Smelting ... process C. Leaching process D. Electrolytic process

(A) Auto reduction of ore is used for the extraction of copper (R ) The sulphide ore of copper reacts with its oxide to the give the metal

Description : (A) Auto reduction of ore is used for the extraction of copper (R ) The sulphide ore of copper reacts with its oxide to the give the metal

Last Answer : (A) Auto reduction of ore is used for the extraction of copper (R ) The sulphide ore of copper reacts ... . If (A) is incorrect but (R ) is correct

In the extraction of Cu from its sulphide ore, the metal is formed by reduction of `Cu_(2)O` with

Description : In the extraction of Cu from its sulphide ore, the metal is formed by reduction of `Cu_(2)O` with

Last Answer : In the extraction of Cu from its sulphide ore, the metal is formed by reduction of `Cu_(2)O` with A. FeS B. CO C. `Cu_(2)S` D. `SO_(2)`

The extraction of metal from the ore is

Description : The extraction of metal from the ore is

Last Answer : The extraction of metal from the ore is A. an oxidation process B. a reduction process C. a hydration process D. a neutratlisaiton process

Which of the following process is used in the extraction of iron from the Iron ore?

Description : Which of the following process is used in the extraction of iron from the Iron ore?

Last Answer : Reduction

Extraction of uranium from its ore is done using __________ methods. (A) Electrometallurgical (B) Pyrometallurgical (C) Chemical (D) Physical beneficiation

Description : Extraction of uranium from its ore is done using __________ methods. (A) Electrometallurgical (B) Pyrometallurgical (C) Chemical (D) Physical beneficiation

Last Answer : (C) Chemical

Extraction of uranium from its ore is done by __________ method. (A) Chemical (B) Pyrometallurgical (C) Physical beneficiation (D) Electrometallurgical

Description : Extraction of uranium from its ore is done by __________ method. (A) Chemical (B) Pyrometallurgical (C) Physical beneficiation (D) Electrometallurgical

Last Answer : (A) Chemical

__________ is used as a flux in the extraction of iron from iron ore (haematite) in blast furnace. (A) Bauxite (B) Limestone (C) Quartz (D) Manganese

Description : __________ is used as a flux in the extraction of iron from iron ore (haematite) in blast furnace. (A) Bauxite (B) Limestone (C) Quartz (D) Manganese

Last Answer : (B) Limestone

Electrometallurgical methods of metal extraction is normally used for those metals (A) Whose oxide/ore is not reduced by carbon (B) Which fall in the category of alkali & alkaline earth metals (C) Which stands higher in the electrochemical series of the metal (D) All (A), (B) & (C)

Description : Electrometallurgical methods of metal extraction is normally used for those metals (A) Whose oxide/ore is not reduced by carbon (B) Which fall in the category of alkali & alkaline earth metals (C) Which stands higher in the electrochemical series of the metal (D) All (A), (B) & (C)

Last Answer : (D) All (A), (B) & (C)

Which of the following is an undesirable property of slag produced during the Pyrometallurgical method of metal extraction from its ore? (A) High fusibility & fluidity (B) High thermal conductivity (C) Low density (D) High chemical activity

Description : Which of the following is an undesirable property of slag produced during the Pyrometallurgical method of metal extraction from its ore? (A) High fusibility & fluidity (B) High thermal conductivity (C) Low density (D) High chemical activity

Last Answer : B) High thermal conductivity

In the extraction of aluminium metal , one of the process is summarised as follows : Which of the following entrie correctly summarises reagents , ele

Description : In the extraction of aluminium metal , one of the process is summarised as follows : Which of the following entrie correctly summarises reagents , ele

Last Answer : In the extraction of aluminium metal , one of the process is summarised as follows : Which of the following ... ), Na_(3)AlF_(6) , "Cathode"):}`

Which of the following pairs is not correctly matched with respect to the extraction of metals from their ores ?

Description : Which of the following pairs is not correctly matched with respect to the extraction of metals from their ores ?

Last Answer : Which of the following pairs is not correctly matched with respect to the extraction of metals from ... -Aluminium and tin from their oxides ores .

What are the steps of metal extraction ?

Description : What are the steps of metal extraction ?

Last Answer : Metal extraction steps are five.

Explain the different steps involved in sugar coating of tablet.

Description : Explain the different steps involved in sugar coating of tablet.

Last Answer : Steps of sugar coating of tablet:-  Sieving Sealing Sub-coating Syrup coating Finishing Polishing i) Sieving :- The tablets to be coated are shaken in a suitable sieve to remove the ... the wax coated tablets are rubbed on the canvas cloth. This gives a proper shining to the tablets

What do you mean by reserved percolation? Enlist different steps involved in it.

Description : What do you mean by reserved percolation? Enlist different steps involved in it.

Last Answer : Reserve percolation:   In this process a part of percolate, generally 3/4th volume of the finished preparation is reserved.(contains high solute concentration) Then the percolation process is continued ... :  a. Imbibition, b. Maceration, c. Percolation, d. Distillation or evaporation.