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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

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CENGAGE CHEMISTRY-GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS-Exercise (Fill In The Blanks)
  1. The process of removal of gangue form ore is known as .

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  2. Aluminium is obtained from Al(2)O(3) by reduction.

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  3. In the metallurgical process for the electro-refining of the metal, th...

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  4. Roasting is generally carried out in mineral.

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  5. Gold is usually found nearmineral.

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  6. Metal extracted from sea water is .

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  7. The naturally occurring chemical substances in form of which occur in ...

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  8. The earthly and siliceous impurities which generallty occur with ores...

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  9. Highly reactive elements occurs in nature instate.

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  10. Minerals from which metals are extracted conveniently and economically...

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  11. The complete of extracting the metal form its ores is called .

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  12. Calcination is the process of heating the ore strongly in the of air.

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  13. An ore of tin containing FeCrO(4) is concentrated by .

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

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

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

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  17. Flux combines the infusible impurities to form.

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

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

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

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