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Parke's process is used to extract...

Parke's process is used to extract

A

Silver using NaCN

B

Copper using `CuFeS_2`

C

Silver from argentiferrous lead

D

Silver by forming amalgam

Text Solution

Verified by Experts

The correct Answer is:
C
Parke’s process is used to extract silver from argentiferrous lead.
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ERRORLESS-THE d-AND f- BLOCK ELEMENTS -NCERT BASED QUESTIONS (Compounds of Transitional Elements)
  1. AgCl dissolves in a solution of NH(3) but not in water because

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  2. Parke's process of desilverization of lead depends upon

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  3. Parke's process is used to extract

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  4. German silver is an alloy of

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  5. AgCl when heated with Na(2)CO(3) gives

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  6. The co-ordination compound of which one of the following compositions ...

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  7. AgCl dissolved in excess of NH(3), KCN and Na(2)S(2)O(3) solutions the...

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  8. A copper coin is completely covered with a gold film and is placed in ...

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  9. Name the reagent that is used in leaching of gold .

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  10. A compound of Zinc which is white in cold state and yellow in hot stat...

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  11. White vitriol is

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  12. In the metallurgy of Zn the Zn dust obtained from roasting and reducti...

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  13. Zinc when reacted with excess of NaOH gives

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  14. Lucas reagent is ,

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  15. Zinc reacts with hot and concetrated H(2)SO(4) to give

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  16. Reduction of zinc with cold and very dilute nitric acid yields

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  17. What happens when aluminium and zinc salts react with an excess of NaO...

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  18. When calomel react with NH(4)OH solution the compound formed is

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  19. The formula of corrosive sublimate is

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  20. The main product obtained when a solution of sodium carbonate reacts w...

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