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Match items of Column I with the items of Column II and assign the correct code:
`{:(ColumnI,ColumnII),((A)"Cyanide process",(1)"Ultrapure Ge"),((B)"Froth Floatation Process",(2)"Dressing of"ZnS),((C)"Electrolytic reduction",(3)"Extraction of Al"),((D)"Zone refining",(4)"Extraction of Au"),(,(5)"Purification of Ni"):}`

A

A(4) `" " `B(2) `" "`C(3)`" "`D(1)

B

A(2) `" " `B(3) `" "`C(1)`" "`D(5)

C

A(1) `" " `B(2) `" "`C(3)`" "`D(4)

D

A(3) `" " `B(4) `" "`C(5)`" "`D(1)

Text Solution

Verified by Experts

The correct Answer is:
A
Explanation. Cyanide process is used for extraction of Au. Froth Floatatio process is used for concentration of sulphide ores. Electrolytic reduction is used for extraction of Al. Zone refining is used to obtain ultrapure Ge.
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