MCQOPTIONS
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| 1. |
Mercaptans are________________? |
| A. | Low boiling sulphur compounds |
| B. | Added in LPG cylinders to detect gas leakage by its smell |
| C. | Undesirable in petrol, as they reduce its octane number |
| D. | All A., B. and C. |
| Answer» E. | |