MCQ
$\ce{LPG}$ contains $.......$
- AMethane
- BEthane
- ✓Butane
- DNone of these
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| pH of ammonia at start | pH after excess sulphuric acid | |
| A | 11 | 7 |
| B | 7 | 13 |
| C | 11 | 2 |
| D | 3 | 8 |