Which method is used for the concentration of the tin ore containing $FeCrO_4$?
- AMagnetic separation
- BFroth flotation
- CElectrostatic separation
- DGravity separation
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Which of the ores mentioned in the table can be concentrated by the magnetic separation method?
Metal Ores and Composition $Aluminium$ $Bauxite: AlO_{x}(OH)_{3-2x} (0 < x < 1)$; $Kaolinite: [Al_{2}(OH)_{4}Si_{2}O_{5}]$ $Iron$ $Haematite: Fe_{2}O_{3}$; $Magnetite: Fe_{3}O_{4}$; $Siderite: FeCO_{3}$; $Iron pyrites: FeS_{2}$ $Copper$ $Copper pyrites: CuFeS_{2}$; $Malachite: CuCO_{3} \cdot Cu(OH)_{2}$; $Cuprite: Cu_{2}O$; $Copper glance: Cu_{2}S$ $Zinc$ $Zinc blende or Sphalerite: ZnS$; $Calamine: ZnCO_{3}$; $Zincite: ZnO$
| Metal | Ores and Composition |
|---|---|
| $Aluminium$ | $Bauxite: AlO_{x}(OH)_{3-2x} (0 < x < 1)$; $Kaolinite: [Al_{2}(OH)_{4}Si_{2}O_{5}]$ |
| $Iron$ | $Haematite: Fe_{2}O_{3}$; $Magnetite: Fe_{3}O_{4}$; $Siderite: FeCO_{3}$; $Iron pyrites: FeS_{2}$ |
| $Copper$ | $Copper pyrites: CuFeS_{2}$; $Malachite: CuCO_{3} \cdot Cu(OH)_{2}$; $Cuprite: Cu_{2}O$; $Copper glance: Cu_{2}S$ |
| $Zinc$ | $Zinc blende or Sphalerite: ZnS$; $Calamine: ZnCO_{3}$; $Zincite: ZnO$ |
Difficult
View SolutionBauxite containing impurities of iron oxide is purified by
MediumAIIMS 1998
View SolutionWhich of the following ores is most commonly concentrated by the froth flotation process?
Easy
View SolutionThe concentration of chromite ore $(FeO \cdot Cr_2O_3)$ is done by which of the following methods?
Easy
View SolutionWhat is leaching? Explain with an example.
Difficult
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