NEET | 2016Environmental ChemistryHard
Question
Match items of column I with the items of column II and assign the correct code :
Options
A.
(a) (iv), (b) (ii), (c) (iii), (d) (i)
B.
(a) (ii), (b) (iii), (c) (i), (d) (v)
C.
(a) (i), (b) (ii), (c) (iii), (d) (iv)
D.
(a) (iii), (b) (iv), (c) (v), (d) (i)
Solution
a] Cyanide process is used to extract and Au in hydrometallurgy.
b] Froth foundation process is used for dressing of sulfide ores.
c] Electrolytic reduction is used to extract Al.
d] Zone refinining process is used for obtaining ultrapure Ge.
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