McqMate
| Q. |
Glycol is added to aviation gasoline because it - |
| A. | reduces evaporation of petrol |
| B. | increases efficiency of petrol |
| C. | prevents freezing of petrol |
| D. | reduces consumption of petrol |
| Answer» C. prevents freezing of petrol | |
|
Explanation: Ethylene glycol (IUPAC name: ethane-1,2-diol) is an organic compound widely used as an automotive antifreeze and a precursor to polymers. In its pure form, it is an odorless, colourless, syrupy, sweettasting liquid. Ethylene glycol is toxic, and ingestion can result in death. Due to its low freezing point ethylene glycol resists freezing. A mixture of 60% ethylene glycol and 40% water freezes at -45 degree C (- 49 degree F). |
|
View all MCQs in
ChemistryNo comments yet