Across
- 2. This is made out of crude oil, natural gas and coal
- 4. When a fules burns without oxygen this occurs.
- 6. The name used for different plastics.
- 7. Something used to make your body smell nice.
- 8. This is a compound made out of carbon and hydrogen.
- 10. A liquid which tests for alkanes or alkenes.
- 11. These have double covalent bonds.
- 12. These have a single covalent bonds.
Down
- 1. When fules react with oxygen they burn and release useful heat energy.
- 2. A process by which components in a chemical mixture are separated according to their different boiling points. Vapors from a boiling solution are passed along a column.
- 3. Something that can make something dissolve.
- 5. This process needs high pressure and a catalyst.
- 9. Were large alkanes and alkenes can be broken down into smaller, more useful molecules.