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Leaching of an ore is done by...

Leaching of an ore is done by

A

Hall's process

B

Serpeck's process

C

Cyanide process

D

Hall-Heroult process

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH INSTITUTE-M0ck test 26-EXAMPLE
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  5. During the electroytic refining of zinc, which of the following statem...

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  6. In Mac-Arthur Forrest Cyanide method, silver is extracted from the sol...

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  7. In the extraction of copper, metal is formed in the Bessemer converter...

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  8. In the extraction of iron in the blast furnace, phosphorous separates ...

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  9. Which metal is used for making dry cell ?

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  10. The process used in converting hydrated Alumina into anhydrous alumina...

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  11. Hydrometallurgy method is used for the extraction of which of the foll...

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  13. Consider the following reduction processes : (I) Fe2O3 + C rarr Fe ...

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  14. Which of the following statement is incorrect regarding Ellingham diag...

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  15. Which of the following statements is correct regarding the slag obtain...

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  16. Consider the following metallurgical processes: (I) Heating impure m...

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  17. Which one of the following given d-block elements has the lowest atomi...

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  20. In which compound does vanadium has an oxidation number of +4 ?

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