Subject: General Science
Book: NCERT Chemistry Class 12
Extraction of metals from ores.
- **Minerals & Ores**:
- Types and occurrence.
- **Methods of Extraction**:
- Roasting, smelting, electrolysis.
- **Refining Processes**:
- Distillation, liquation, zone refining.
**Possible Exam Questions:**
1. What are the different types of ores?
2. Describe the role of electrolysis in metal extraction.
3. Explain the refining techniques for metals.
4. How does roasting help in metallurgy?
5. What is the significance of flux in metal extraction?
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