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AP EAMCET · Chemistry · General Principles and Processes of Isolation of Metals

The ore which is concentrated by leaching

  1. A PbS
  2. B Al2O3·2H2O
  3. C SnO2
  4. D Fe2O3
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Answer & Solution

Correct Answer

(B) Al2O3·2H2O

Step-by-step Solution

Detailed explanation

Leaching: It involves the treatment of the ore with a suitable reagent as to make it soluble while impurity remains insoluble and after this, the ore is recovered from the solution by suitable methods. The principal ore of aluminium and bauxite usually contain SiO2, iron oxides…
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