MCQ
The technique used to refining zinc and mercury is ……………
- ALiquation
- ✓Distillation
- CZone refining
- DVan-Arkel method
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| Column - I | Column - II |
| A. Pyridoxine | 1. Dilates blood vessels |
| B. Dopamine | 2. Dyes |
| C. Histamine | 3. Health of nerves |
| D. Diazo compounds | 4. Neuro transmitter |