The choice of method for extracting a metal fro... - JAMB Chemistry 2018 Question
The choice of method for extracting a metal from its ores depends on the
A
strength of the core
B
position of the metal in the electrochemical series
C
source of the core
D
position of the metal in the periodic table
correct option: b
The method used to extract a metal from its ore depends upon the stability of its compound in the ore, which in turn depends upon the reactivity of the metal:
Oxides of very reactive metals, such as aluminum, form stable oxides and other compounds. A lot of energy is needed to reduce them to extract the metal.
Oxides of lesser reactive metals, such as iron, form less stable oxides and other compounds. Relatively little energy is needed to reduce them to extract the metal.
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