Class 12 Chemistry General Principles and Processes of Isolation of Elements Concentration

Medium

Which of the following reactions is suitable for concentrating ore by the leaching process?

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A
$2Cu_2S + 3O_2 \rightarrow 2Cu_2O + 2SO_2$
B
$Fe_3O_4 + CO \rightarrow 3FeO + CO_2$
C
$Al_2O_3 + 2NaOH + 3H_2O \rightarrow 2Na[Al(OH)_4]$
D
$Al_2O_3 + 6Mg \rightarrow 6MgO + 4Al$

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Class 12 Questions

Class 12

Chemistry Questions

Chapter

General Principles and Processes of Isolation of Elements

Subtopic

Concentration

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