McqMate
| Q. |
Gum content of petroleum fuels is mainly due to |
| A. | concentration of sulphides and disulphides |
| B. | evaporation loss of lighter fractions |
| C. | oxidation of unsaturated bydrocarbons |
| D. | All of the above |
| E. | None of the above |
| Answer» C. oxidation of unsaturated bydrocarbons | |
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