Chemistry · Metals and Non-metals
What is the correct sequence of steps followed in extracting metals like zinc from their sulphide or carbonate ores?
- 1Electrolysis → Roasting → Purification
- 2Direct heating → Purification
- 3Roasting or calcination → Reduction to metal → Purification✓
- 4Dissolution in acid → Filtration → Heating
Correct answer
Roasting or calcination → Reduction to metal → Purification
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