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involves treating the powdered ore with ...

_____involves treating the powdered ore with a suitable reagent which selectively dissolves the ore but not the impurities.

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Leaching
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Assertion:- Leaching is a process of concentration of some specific ores. Reason:- Leaching involves treatement of the ore with a suitable reagent so as to make it soluble while impurities remains insoluble.

STATEMENT-1 : Leaching is a proess of concentration and STATEMENT-2 : Leaching involves treatment of the ore with a suitable reagent so as to make it soluble while impurities remains insoluble

State the impurities present in the bauxite ore.

Consider the following statements. Hydrometallurgy involves dissolving the ore in a suitable reagent followed by precipitation by a more electropositive metal. Copper is extracted by hydrometallurgy.

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

Which one of the following ore is not the ore iof Cu?

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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