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Before introducing FeO in blast furance,...

Before introducing `FeO` in blast furance, it is converted to `Fe_(2)O_(3)` by roasting so that

A

it may not be removed as slag with silica.

B

it may not evaporate in the furnace.

C

presence of it may increase the m.pt. of charge.

D

None of these.

Text Solution

Verified by Experts

The correct Answer is:
A
FeO is capable of forming slg with `siO _2`
`SiO_2 + FeO to Fe SiO_3`
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DISHA PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-EXERCISE -1: CONCEPT BUILDER (TOPICWISE)
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  2. After partial roasting, the sulphide of copper is reduced by

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  3. Before introducing FeO in blast furance, it is converted to Fe(2)O(3) ...

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  4. ELLINGHAM DIAGRAM

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  5. The form of iron obtained from blast furnace is:

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  6. The slag obtained during the extraction of copper from coper pyrites i...

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  7. Muffle furnace is used in the metallurgy of

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  8. In Hall's process, the main reagent is mixed with

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  9. In the extraction of copper, the metal formed in the Bessemer converte...

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  10. Ag(2)S +NaCN rarr (a) (a) +Zn rarr (d) (b) is a metal. Hence (a) a...

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  11. Method used for obtaining highly pure silicon which is used as a semic...

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  12. In the purification of impure nickel by Mond's process, metal is purif...

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  13. Incorrect match

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  14. In van Arkel method, if I(2) is introduced at 1700 K over impure metal...

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  15. Van Arkel method of purification of metals involves converting the met...

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  16. Identify the reaction that does not take place in a blast furnace

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  17. The temperature (""^@C) at which Fe2 O3is finally reduced to Fe in the...

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  18. High purity copper is obtained by

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  19. Iron is obtained on a large scale from Fe2O3 by

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  20. Which of the following metals is obtained by electrolytic reduction pr...

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