Which of the following statements are co...

Which of the following statements are correct in connection with the extraction of silver?

A

silver is obatined as a by-product in the extraction of copper, lead and zinc.

B

Silver is obtained from the anode slime formed in the electrolytic refining of copper and zinc

C

Zinc is used to extract silver by solvent extraction from molten lead in Parke's process

D

Pttinsons process is used for desilverization of lead

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The correct Answer is:

A, B, C, D

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ALLEN-METALLURGY-EXERCISE-02

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Ag(2)S +NaCN rarr (a) (a) +Zn rarr (d) (b) is a metal. Hence (a) a...
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Ca(3)(PO(4))(2) is :
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Bauxite is purified by
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The process which do use catalysts are
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Metallury involves steps :
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Which of the following metals are extracted by electrolytic reduction?
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Which of the following ore is/are oxide ore (s) ?
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Which of the following are correctly matched?
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In which of the following pair(s) the minerals are converted in to met...
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Cassiterite ore (SnO(2)) is purified by
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The reaction (s) which does (do) not occur in the reduction zone in th...
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Which of the following statements(s) is (are) true?
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The major role of flourspar, CaF(2) which is added in small amount in ...
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Which of the followgin are correctly matched?
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Which of the following statements are correct in connection with the e...
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Which of the following does not disproportionate?
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