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The Oil used in the floatation method fo...

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

A

coconut oil

B

olive oil

C

pine oil

D

none of these

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The correct Answer is:
C
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V PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-QUESTION BANK
  1. Sulphide ores, of metáls are usually concentrated by froth floatation ...

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  2. Which of the following oxides carnot be reduced to metal by carbon?

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

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

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  5. Malachite is a mineral of

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  6. Electrolytic réduction method is used in the extraction of

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  7. Extraction of zinc from zinc blende is achieved by

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

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  9. Silver containing lead as an impurity is purified by

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

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  11. Blister copper is

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  12. In blast furnace, iron oxide is reduced by

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

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

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

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

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

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

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

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

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