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

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

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

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  4. Nickel steel is used in making

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

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

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  7. Gravity separation method is based upon

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  8. Among the following statements the incorrect one is

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  9. Refractory metals are used in construction of furnaces because

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

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

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

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  13. Siderite mineral is

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  14. Chemical composition of malachite is 'X'. Then the composition of azur...

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  15. In sulphatizing roasting of Zns, products are

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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. Which of the following process is used for concentration of ores and f...

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  18. The chemical composition of slag formed during smelting process in the...

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  19. Impurities in the zinc spelter are

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  20. Role of limestone used in re extraction

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