Question:

Match the following:
figure [H]
figure

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Froth Floatation is specific for sulfide ores. Leaching is used when ores are soluble in specific solvents.
Updated On: Jun 10, 2026
  • A-II, B-I, C-IV, D-III
  • A-IV, B-I, C-III, D-II
  • A-II, B-I, C-IV, D-III
  • A-I, B-II, C-III, D-IV
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The Correct Option is C

Solution and Explanation

Step 1: Concept
Metallurgical processes for extraction and purification of metals.

Step 2: Analysis
* (A) Separation of ZnS (sulfide ore) is by Froth Floatation (II). * (B) Removal of impurities from Bauxite ($Al_2O_3.2H_2O$) is Leaching (I). * (C) Extraction of gold from leached solution using Zn is a Displacement reaction (IV). * (D) Extraction of Zinc from ZnO is via Reduction (III).

Step 3: Conclusion
The correct matching is A-II, B-I, C-IV, D-III.

Final Answer: (C)
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