MCQ
Find the odd one out :
- ✓$ \mathrm{PH}_3 $
- B$ \mathrm{HPO}_3 $
- C$ \mathrm{H}_3 \mathrm{PO}_3 $
- D$ \mathrm{H}_3 \mathrm{PO}_4 $
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| Column-I | Column-II |
| A. Natural polymer | 1. Viscose rayon |
| B. Synthetic polymer | 2. Silk |
| C. Semi synthetic polymer | 3. Bakelite |
| D. Thermo setting polymer | 4. Polythene |

| Column-I | Column-II |
| A. LDPE | 1. Non-stick utensils |
| B. HDPE | 2. Wool for making blankets |
| C. Teflon | 3 Toys |
| D. Orlon | 4. Pipes |