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The complete of extracting the metal for...

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

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metallurgy
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The extraction of metal from the ore is

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The common method for the extraction of metals from oxide ores involves _________.

How doet the method used for extracting a metal from its ore depend on the metal's position in the reactivity series? Wxplain with examples.

PRADEEP-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS -TEST YOUR GRIP (II. FILL IN THE BLANKS)
  1. Minerals from which metals are extracted conveniently and economically...

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

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

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  4. Highly reactive elements occurs in nature instate.

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  5. The most abundant metal in the earth's crust is ………… .

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

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

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

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

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

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  11. Flux combines the infusible impurities to form.

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

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

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

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

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

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

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

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

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

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