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Extraction of Copper

Which of the ...

Question

Which of the following processes will remove silver from lead during the production of bullion?

A

Cyanide process

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B

Solvay process

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C

Parke's process

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D

Froth flotation process

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Solution

The correct option is A Parke's process
The Parkes process is a pyrometallurgical industrial process for removing silver from lead during the production of bullion.

It is an example of liquid-liquid extraction.

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Q. Which of the following ores is concentrated by froth flotation process?

Q. Which of the following methods is used to remove lead present in silver ?

Q. Complexes formed in the following methods are–
(I) Mond's process for purification of nickel
(II) Removal of unreacted AgBr from photographic plate
(III) Removal of lead poisoning from the body
(IV) Cyanide process for extraction of silver
(V) Froth floatation process for separation of ZnS from galena ore by using depressant.

Q. Complexes formed in the following methods are:

(I) Mond's process for purification of nickel
(II)Removal of lead poisoning from the body
(III) Cyanide process for extraction of silver
(IV) Froth floatation process for separation of

Z n S

from galena are by using depressant

Q. Which of the following ore is best concentrated by froth - flotation process?

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