MCQOPTIONS
Saved Bookmarks
| 1. |
Mercaptans are added to liquefied petroleum gas (LPG) to |
| A. | reduce its cost. |
| B. | narrow down its explosion limit. |
| C. | assist in checking its leakage from cylinder. |
| D. | increase its calorific value. |
| Answer» D. increase its calorific value. | |