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During extraction of iron from haematite...

During extraction of iron from haematite, the flux used is _______.

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The correct Answer is:
` CaCO _ 3 `
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In the extraction of iron from haematitie, the charge used is haematite, coke and lime stone in the following weight ration

The slag formed in the blast furnace during the extraction of iron from haematite is

The flux used in the extraction of iron from Haematite in te blast furnace is "["EAM(ENG)2014"]"

The reaction (s) which does (do) not occur in the reduction zone in the extraction of iron from haematite ore is (are)

(ix) Slag coming out at the bottom of a blast furance during extraction of iron form its ore is used in making.

The reaction(s) which (do) not occur in the reduction zone in the extraction of iron from haematite ore is(are):

PRADEEP-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS -TEST YOUR GRIP (II. FILL IN THE BLANKS)
  1. Calcination is the process of heating the ore strongly in the of air.

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  2. An ore of tin containing FeCrO4 is concentrated by …………. .

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  3. ores are concentrated by froth flotation and roasted in excess of air ...

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  4. involves treating the powdered ore with a suitable reagent which selec...

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  5. Sodium cyanide solution is used to extract or from its ores.

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  6. Flux combines the infusible impurities to form.

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  7. acts as an acidic flux whileacts as a basic flux.

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  8. In the metallurgy of copper, the flux used to remove the basic impurit...

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  9. During extraction of iron from haematite, the flux used is .

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  10. ………… involves reduction of metal oxide with coke or carbon monox...

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  11. In the thermite process, is used as a reducting agent.

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  12. …………..is the purest form of iron.

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  13. Above 1073 K, ………… reduces FeO to Fe while below 1073K, …………… r...

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  14. Highly electropositive metals like sodium, megnesium or aluminium ...

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  15. Low melting metals like lead in tin are refined by .............. .

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  16. In the Mond's process,…… is used to purify impure nickel.

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  17. In the van Arkel process .........is used to purify ...............

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  18. ...............is used to prepare semiconductor grade silicon or ge...

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  19. During extraction of iron from haematite, the slag formed consists...

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  20. ..........is added to Al2O3 in Hall - Heroult process for extracti...

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