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Which of the following metals is obtaine...

Which of the following metals is obtained by electrolytic reduction process ?

A

`Cu`

B

`AI`

C

`Mg`

D

`Ag`

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The correct Answer is:
B, C
Highly electro positive metals are extracted by electro metallurgy.
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ALLEN-METALLURGY-EXERCISE-02
  1. From the following flowsheet for the extraction of pure metal, answer ...

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  2. Of the following reduction processes, correct processes are :

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  3. Consider the following steps: Cu(2)S overset("roast in air")rarr A o...

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  4. Main source of lead is galena (PbS). It is converted to Pb by : S...

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  5. Ag(2)S + NaCN rarr (A),(A) + Zn rarr (B) (B) is a metal. Hence, (A) ...

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  6. The elemental phosphorus is made from rock phosphate, Ca(3)(PO(4))(2) ...

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  7. A: Bauxite is purified by leaching process R: Aluminium oxide reacts ...

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  8. The process which do use catalysts are

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  9. Metallury involves steps :

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  10. Which of the following metals is obtained by electrolytic reduction pr...

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  11. Which of the following ore is/are oxide ore (s) ?

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  12. Which of the following are correctly matched?

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  13. In which of the following pair(s) the minerals are converted in to m...

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  14. Tin stone (cassiterite) is purified by magnetic seperation method .Na...

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  15. The reaction (s) which does (do) not occur in the reduction zone in ...

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  16. Which of the following statements(s) is (are) true?

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  17. The major role of flourspar (CaF(2)), which is added in small quantiti...

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  18. Which of the followgin are correctly matched?

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  19. Which of the following statements are correct in connection with the e...

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  20. Which of the following does not disproportionate?

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