Across
- 2. A reaction that releases energy and may increase temperature
- 8. The product of a combustion reaction
- 9. A chemical reaction when a substance combines with oxygen
- 10. The product of an oxidation reaction
Down
- 1. A hydrocarbon that's burned to release energy
- 3. A reaction that absorbs energy & can cause lower temperature
- 4. A compound that only has carbon and hydrogen & can be used as a fuel
- 5. A negatively charged compound formed when a base dissolves in water
- 6. A compound that forms H+ ions in solution
- 7. Hydrocarbon (fuel) + oxygen --> carbon dioxide + water