MCQ
Silicon carbide is an example of ………..
- AIonic solid
- ✓Covalent solid
- CPolar molecular solid
- DNon – polar molecular solid
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| Column I | Column II |
| A. Vitamin $B _{12}$ | 1. Scurvy |
| B. Vitamin C | 2. Haemorrhagic diseases |
| C. Vitamin D | 3. Pernicious anaemia |
| D. Vitamin K | 4. Rickets |