Which of the reaction is suitable for concentrating ore by leaching process?
Which of the reaction is suitable for concentrating ore by leaching process?
Option 1 -
2Cu2S + 3O2 -> 2Cu2O + 2SO2
Option 2 -
Fe3O4 + CO2
Option 3 -
Al2O3 + 2NaOH + 3H2O -> 2Na [Al(OH)4]
Option 4 -
Al2O3 + 6Mg -> 6MgO + 4Al
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1 Answer
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Correct Option - 3
Detailed Solution:In leaching suitable compound is used as solvent.
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