| Answer | Crossword Clue |
|---|---|
| butylenes | any of three isomeric, gaseous hydrocarbons having the formula C4H8, of the alkene series |
| butene | any of three isomeric, gaseous hydrocarbons having the formula C4H8, of the alkene series |
| butenes | any of three isomeric, gaseous hydrocarbons having the formula C4H8, of the alkene series |
| hexanes | any of five isomeric hydrocarbons having the formula C6H14, of the alkane series, some of which are obtained from petroleum: used as solvents and chemical intermediates and in fuels |
| hexane | any of five isomeric hydrocarbons having the formula C6H14, of the alkane series, some of which are obtained from petroleum: used as solvents and chemical intermediates and in fuels |
