Chemistry · Metals and Non-metals
Which method is used to extract highly reactive metals, such as sodium and aluminium, which are placed at the top of the reactivity series?
- 1Chemical reduction using carbon as a reducing agent
- 2Electrolytic reduction of their molten chlorides or oxides✓
- 3Calcination of their carbonate ores
- 4Roasting of their sulphide ores
Correct answer
Electrolytic reduction of their molten chlorides or oxides
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