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1181

Q: Gold and silver are extracted from their respective ores by _______

  • 1
    Smelting
  • 2
    Roasting
  • 3
    Leaching
  • 4
    Hydro metallurgy
  • उत्तर देखें
  • Workspace

Answer : 4. "Hydro metallurgy"
Explanation :

Answer: D) Hydro metallurgy Explanation:

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