Chemistry · Metals and Non-metals
Consider the following steps involved in the extraction of metals from ores: 1. Metals of medium reactivity → Sulphide ore → Roasting → Oxide of metal → Reduction to metal2. Metals of high reactivity → Sulphide ores → Roasting → Metal3. Metals of medium reactivity → Carbonate ore → Calcination → Oxide of metal → Reduction to metal4. Metals of low reactivity → Electrolysis of molten ore → Pure metal Which of the above sequences are CORRECT?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 11 and 3 only✓
- 23 and 4 only
- 31, 2 and 4 only
- 42 and 4 only
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1 and 3 only
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