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The sunstance which is mixed with the or...

The sunstance which is mixed with the ore for removel of impurities is termed

A

Slag

B

Gangue

C

Flux

D

Catalyst

Text Solution

Verified by Experts

The correct Answer is:
C
Flux is added during smelting it combines with infusible gangue present in the ore to form a fusible mass known as slag. Flux + Gangue `rarr` Slag.
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ERRORLESS-GENERAL PRINCIPLES & PROCESSES OF ISOLATION OF ELEMENTS-NCERT BASED QUESTIONS (Reduction of Free Metal)
  1. Purpose of smelting of an one ore is –

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  2. The sunstance which is mixed with the ore for removel of impurities is...

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  3. Reverberatory furnace is epmloyed in the metallurgincal process main...

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  4. In the metallurgy of iron, when limestone is added to the blast furnac...

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  5. Which statement is correct ?

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  6. The final step for the extraction of copper from copper pyrite in Bess...

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  7. Which of the following fluxes is used to remove acidic impurities in ...

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  8. Blast furnace is employed in the smelting of oxide ore with coke and f...

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  9. Electrometallurgical process is used to extract

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  10. The electrolytic method of reduction is employed for the preparation o...

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  11. Aluminium is prepared in large quantities by

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  12. Thermite process is used to extract metals

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

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  14. After partial roasting, the sulphide of copper is reduced by

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  15. In the metallurgical extraction of zince from ZnO the reducting agent ...

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  16. The metal oxide which cannot be reduced to metal by carbon is

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  17. Which process of reduction of mineral to the matel is suited for the e...

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  18. Which of the following reaction is an example of autoreduction?

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  19. In the extraction of Cu from its sulphide ore, the metal is formed by ...

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  20. Elecyroltic refining is used to purify which of the following metals?

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