How are metals placed low in the reactivity series, such as copper and mercury, extracted?

Subject: General Awareness | Topic: Science | Difficulty: MEDIUM

Options

1. (A) Roasting the sulphide ores in air to convert them into oxides, then heating
2. (B) Reduction with carbon at high temperature
3. (C) Displacement using more reactive metals
4. (D) Electrolysis of their molten ores

Verified Answer

Option (A): Roasting the sulphide ores in air to convert them into oxides, then heating

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