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The process of bringing the metal or its...

The process of bringing the metal or its ore into solution by the action of a suitable chemical reagnet following by extraction of the metal either by electrolysis or by suitable precipitating agent is called

A

Electrometallurgy

B

Hydrometallurgy

C

Electro refining

D

Zone refining

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The correct Answer is:
B
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AAKASH SERIES-PRINCIPLES OF METALLURGY-PRACTICE EXERCISE
  1. Magnesium oxide is reduced in the Hansging method using

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  2. The green mass formed when copper is exposed to moist air has the same...

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  3. The process of bringing the metal or its ore into solution by the acti...

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  4. Zr + 2I2 to Zr I4 overset(1800k) to Zr + 2I2 This sequence ...

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  5. Some statements about Ellingham diagram a) Increase in the slope of th...

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  6. The metal that can be obtained even by the electrolysis of its aqueous...

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  7. the most electropositive metals are isolated from their ors by

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  8. In order to refine blister copper it is melted in a furnance and is st...

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  9. Electric furnaces are lined with magnesia because

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  10. The separation of lanthanoids by the ion exchange method is based on

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  11. Metal carbonate is converted to the corresponding metal oxide usually ...

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  12. Blast furnace is used in the extraction of the metal

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  13. Nickel steel is used in making

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  14. Carbonate or hydroxide ores are generally converted to their oxides by

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  15. Most abundant metal in the earth's crust is

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  16. Gravity separation method is based upon

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  17. Among the following statements the incorrect one is

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  18. Refractory metals are used in construction of furnaces because

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  19. The substance widely used to remove silica present as impurity, from t...

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  20. Extraction of aluminium from aluminium oxide (Al(2)//O(3))is het done ...

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