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Froth floatation process may be used to ...

Froth floatation process may be used to increase the concentration of the mineral in

A

Chalcopyrites

B

Bauxite

C

Haematite

D

Calamine

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The correct Answer is:
A
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V PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-QUESTION BANK
  1. Which of the following oxides carnot be reduced to metal by carbon?

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  2. The Oil used in the floatation method for the purification-of ores is

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  3. Froth floatation process may be used to increase the concentration of ...

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  4. Malachite is a mineral of

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  5. Electrolytic réduction method is used in the extraction of

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  6. Extraction of zinc from zinc blende is achieved by

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  7. Which metal has a greater tendency to form metal oxide

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  8. Silver containing lead as an impurity is purified by

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  9. During electrolytic refining of copper, some metals present as inpurit...

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  10. Blister copper is

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  11. In blast furnace, iron oxide is reduced by

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  12. One of the following metals forms a volatite compoụd and this property...

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  13. In electrolytic refining of metals, the impure metal is made, the anod...

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  14. Electrometallurgy is used for the reduction of Cu Fe Na Ag

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  15. Which of the following statements, about the advantage of roasting of ...

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  16. Delta G^circ' Vs. T plot in the Ellingham's diagram slopes downward fo...

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  17. When compared to the 'Delta G^circ' for the formation of 'Al2 O3', the...

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  18. Consider the following reaction at 1000^circ C (A). Zn((s)) + 1 / 2 O...

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  19. Identify the reaction that does not take place in a blast furnace 2 Fe...

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  20. Which of the following reaction taking place in the blast furnace duri...

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