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General Principles and processes of Isolation of Elements
medium
The process of the extraction of copper from copper pyrites involves:-
$(I)$ Froth floatation $(II)$ Calcination $(III)$ Roasting $(IV)$ Self reduction $(V)$ Smelting $(VI)$ Liquation $(VII)$ Electrorefining
A
$I, III, IV, V$
B
$I, III, IV, VII$
C
$I, III, IV, V, VII$
D
$I, II, IV, V, VII$
Solution
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Standard 12
Chemistry