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Match the extraction processes listed in...

Match the extraction processes listed in column I with metals listed in column II.

A

a-p,r, b-p,r, c-q , d-s

B

a-p,b-p,r , s: c-p,q,d-s

C

a-p, b-r, s:c-p, q, d-r

D

a-p,s, b-p,r,c-q, d-s, r

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The correct Answer is:
A
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NARAYNA-METTALURGY-Single Answer Questions
  1. Pb and Sn are exerted from their chief ores by:

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  2. Which ore contains both iron and copper?

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  3. Match the extraction processes listed in column I with metals listed i...

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  4. Extraction of zinc from zinc blende is achieved by:

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  5. Black tin is

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  6. Match the conversions in Column I with the type(s) of reaction(s) give...

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  7. When the sample of copper with the zinc impurity is to be purified by ...

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  8. Cyanide proces is used for the extraction of

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  9. Aluminium is extracted in the electrolysis of :

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  10. The metal extracted by leaching with cyanide is

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  11. Which one of the following ores is best concentrated by froth flotatio...

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  12. Heating mixture of Cu(2)O and Cu(2)S will give

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  13. During the process of electroytic refining of copper some metals prese...

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  14. Which of the following faction is of no significance for roasting sul...

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  15. Which of the following statement is incorrect ? a)Oxide of aluminium ...

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  16. Match List I with List II and select the correct answer using the code...

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  17. Select the correct statement

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  18. NaCN is sometimes added in the froth flotation process as a depressant...

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  19. Which does not represent correct method?

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

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