MCQ
Which isotope is used as a moderator in nuclear reactors?
- ✓${ }^{10} B_5$
- B${ }^n C_6$
- C${ }^4 He _2$
- D${ }^{40} Ca _2$
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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 |