Join ExamsbookAnswer : 4. "Hydro metallurgy"
Gold and silver are extracted from their respective ores by _______5
Q: Gold and silver are extracted from their respective ores by _______
- 1Smeltingfalse
- 2Roastingfalse
- 3Leachingfalse
- 4Hydro metallurgytrue
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Answer : 4. "Hydro metallurgy"
Explanation :
Answer: D) Hydro metallurgy Explanation:
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