NEET2016ChemistryGeneral Principles and Processes of Isolation of MetalsActual
Match items of column-I with the items of column-II and assign the correct code: Column I Column II ( a ) Cyanide process ( i ) Ultrapure Ge ( b ) Froth floatation process ( ii ) Dressing of ZnS ( c ) Electrolytic reduction ( iii ) Extraction of Al ( d ) Zone refining ( iv ) Extraction of Au ( v ) Purification of Ni
Options
- Aa b c i v i i i i i d i
- Ba b c i i i i i i d v
- Ca b c i i i i i i d i v
- Da b c i i i i v v d i
Correct answer
A. a b c i v i i i i i d i
Step-by-step solution
a. The cyanide process is used to extract Ag and Au in hydrometallurgy. b. Froth floatation process is used for the dressing of sulfide ores. c] The electrolytic reduction is used to extract Al . d] The zone refining process is used for obtaining ultrapure Ge .