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General Principles and processes of Isolation of Elements
easy
The CORRECT match is
Ores - Common extraction method
A
Copper pyrites - Reduction by coke
B
Calamine - Roasting followed by Reduction with $CO$
C
Haemetite - Leaching followed by reduction with $CO$
D
Red bauxite - Leaching followed by Electrolysis in dissolved molten $Na_3AlF_6$
Solution
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Standard 12
Chemistry
