Across
- 2. The type of chemical bond in a hydrocarbon.
- 4. ____ water, a chemical for identifying double bonds
- 5. A chemical that has the general formula CnH2n+2.
- 8. The type of combustion that produces soot and smoke.
- 9. A chemical made from hydrogen and carbon only.
- 12. _____ dioxide is a gas that causes acid rain.
Down
- 1. Carbon ______ is a poisonous gas.
- 3. _____ distillation, a process for separating hydrocarbons.
- 6. A chemical property measuring how thick a liquid is.
- 7. The chemical name for burning.
- 10. Chemicals with the general formula CnH2n. They contain a carbon-carbon double bond.
- 11. A process for making long hydrocarbons into shorter hydrocarbons.