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The smelting of iron in a blast furnace ...

The smelting of iron in a blast furnace involves all the steps except :

A

Fusion

B

Reduction

C

Sublimation

D

Decomposition

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The correct Answer is:
C
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MODERN PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS -Multiple Choice Questions - Level - II
  1. Roasting is generally done in case of :

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  2. The following equation depicts a method of purification of nickel by :...

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  3. The smelting of iron in a blast furnace involves all the steps except ...

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  4. Heating of pyrites in air to remove sulphur is called :

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  5. Which of the following is purified by zone refining ?

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  6. In metallurgy , flux is a substance used to convert :

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  7. Which of the following metals is obtained by self reduction process ?

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  8. Thomas slag is :

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  9. In aluminothermic process aluminium acts as :

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  10. Smelting is the process of reduction of metal oxide by :

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  11. Which of the following ores cannot be concentrated by froth floatation...

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  12. Electrolytic reduction method is used for :

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  13. Which of the following contains both Ca and Mg ?

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  14. Which of the following metals does not occur as oxide ?

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  15. Calcinations is carried out in a :

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  16. A metal obtained by hydrometallurgy is :

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  17. Serpeck's process is used for the extraction of :

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  18. Which of the following relations is correct ?

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  19. Copper pyrites , the chief ore of copper , is chemically :

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  20. Which of the following is malachite ore ?

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