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Blast furnace is used in the extraction ...

Blast furnace is used in the extraction of the metal

A

Coper

B

Iron

C

Zinc

D

Silver

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The correct Answer is:
B
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AAKASH SERIES-PRINCIPLES OF METALLURGY-PRACTICE EXERCISE
  1. Aqueous sodium cyanide is used as a reagent in the metal extraction. T...

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  2. Metal is precipitated from Au(CN)(4)^(3-) using zinc as a precipitant....

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  3. The best electrolyte for the extraction of magnesium metal is

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  4. Which one of the following is the mineral for tin?

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  5. Some statements about the below Ellingham diagram are given below ...

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  6. Carbon cannot be used in the reduction of Al2 O3 because

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  7. Spinels are denoted with the formula MAl2 O4, where 'M' is

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  8. Magnesium present in the sea water is precipitated using 'X' and preci...

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  9. Magnesium oxide is reduced in the Hansging method using

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

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

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

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

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

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

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

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  17. Electric furnaces are lined with magnesia because

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

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

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

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