Match items of Column I with the items of Column II and assign the correct code. 

Column I Column II
A) Cyanide process  1) Ultra pure Ge
B) Froth floatation
    Process
2) Dressing of ZnS
C) Electrolytic  3) Extraction of Al
    Reduction
D) Zone refining 4) Extracting of Au
 
A B C D
1. 2 3 1 4
2. 1 2 3 4
3. 3 4 2 1
4. 4 2 3 1
Subtopic:  Intro - Flux, Leaching, Roasting & Calcination | Refining Process |
 82%
From NCERT
NEET - 2016
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh