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The underlying of blast furnace is made ...

The underlying of blast furnace is made of

A

Graphite

B

Silica rocks

C

Fireclay bricks

D

Basic bricks

Text Solution

Verified by Experts

The correct Answer is:
C
The underlying of blast furnace is made of fireclay bricks -a refractory material.
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DINESH PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-REVISION QUESTIONS FROM COMPETITIVE EXAMS.
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  2. Which of the following is not employed for refining of metal ?

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  3. The underlying of blast furnace is made of

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  4. The purpose of smelting an ore is

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  5. Roasting is generally carried out in mineral.

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  6. Cupellation process is involved in the metallurgy of

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

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  8. The extraction of which of the following metals involves bessemerisati...

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  9. Which one of the following benefication process is used for the minera...

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  10. Which of the following statements is correct regarding the slag obtain...

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  11. Galvanishing of iron sheets is done by

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  12. The natural materials from which an element can be extracted economica...

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  13. Purification of silicon element used in semiconductors is done by

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  14. During smelting an additional substance is added which combines with i...

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  15. When a metal is to be extracted from its ore and if the gangue associa...

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  16. Which metal cannot be obtained by electrolyte sis?

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  17. Which is the strongest reducing agent ?

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  18. The most abundant metal on the surface of the earth is

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  19. The chief source of iodine, in which it is present as sodium iodate, i...

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  20. The process of zone refining is used in the purification of

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