OnlineCBT
Chemistry · PYQ NEET UG 2016(1)
हिन्दीMatch items of Column I with the items of Column II and assign the correct code: Column I Column II i Cyanide process a Ultrapure Ge ii Froth floatation process b Dressing of ZnS iii Electrolytic reduction c Extraction of Al iv Zone refining d Extraction of Au e Purification of Ni
Match items of Column I with the items of Column II and assign the correct code:
| Column I | Column II | ||
|---|---|---|---|
| i | Cyanide process | a | Ultrapure Ge |
| ii | Froth floatation process | b | Dressing of ZnS |
| iii | Electrolytic reduction | c | Extraction of Al |
| iv | Zone refining | d | Extraction of Au |
| e | Purification of Ni |
Correct answer · Option 1
i - d, ii - b, iii - c, iv - a
Explanation
Cyanide process is used for Extraction of Au (i-d), Froth floatation is for dressing of ZnS (ii-b), Electrolytic reduction is for Extraction of Al (iii-c), and Zone refining is for Ultrapure Ge (iv-a).
