hydrocarbon chemistry

3. A compound ending in -ol.
4. The name of the fraction used to fuel cars.
6. The alcohol used in alcoholic drinks.
9. A type of chemical reaction that produces an alcohol from an alkene and steam.
11. A substance containing only hydrogen and carbon atoms.
12. A substance that speeds up a chemical reaction without being used up itself.
14. The process of breaking down long-chain hydrocarbons into smaller, more useful ones.

1. The name of the process by which crude oil is separated.
2. The process of separating crude oil into different fractions.
4. A long-chain hydrocarbon molecule.
5. A molecule with the same molecular formula but a different structural formula.
7. The functional group found in all alcohols.
8. The smallest alkane molecule.
10. A mixture of hydrocarbons with similar boiling points.
13. A homologous series of saturated hydrocarbons.
15. A compound containing a carbon-carbon double bond.