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The smelting of iron in a blast furnace ...

The smelting of iron in a blast furnace involves the following process except

A

Combustion

B

reduction

C

Slag formation

D

sublimation

Text Solution

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The correct Answer is:
A, B, C
In smelting of calcinated ore, Iron oxide reduced to Iron.
Acid impurities `SiO_(2)` forms slag with CaO `" " SiO_(2)+CaO to CaSiO_(3) ("slage")`
In Combustion zone carbon reduces `CO_(2)` to CO `" " CO_(2)+C to 2CO`
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AAKASH SERIES-METALLURGY-LEVEL-II (LECTRURE SHEET) (EXERCISE-I)
  1. The function of adding cryolite in the clectrolytic reduction of alumi...

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  2. Electrolysis method is used for the extraction of

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  3. Which of the following equation reprsents smelting process

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  4. In the extraction of which of the following metals is used for amalgam...

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  5. The flux that can be used for the removal of hasic impurities like Cou...

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  6. Chemical reduction is used in the extraction of

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  7. Bessemerisation is used in the metallurgy of

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  8. Electro-metallurgical process (electrolysis of fused electrolyte) is e...

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  9. Electrolytic reduction is used in the extraction of

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  10. Carbon is used as a common reducing agent in the extraction of

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  11. The smelting of iron in a blast furnace involves the following process...

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  12. Which of the following reaction in the blast furnaces are endothermic ...

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  13. Silver is extracted by

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  14. In the electrolysis of alumina cryolite is added to:

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  15. Which of the following metals) can be obtained by electrolysis of thei...

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  16. Electrolytic process is used for the extraction of

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  17. Which of the following contains) aluminium

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  18. Which of the following mineralores contains magnesium?

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  19. Which of the following is are present in mica?

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  20. Which is (are) ore (s) of almun num?

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