Across
- 3. A reaction that releases heat to its surroundings
- 8. Dioxide A gas responsible for acid rain, along with nitrogen oxides
- 9. Soda The common name for sodium bicarbonate
- 10. A reaction between an acid and a base
- 12. Decomposition A type of reaction where a compound breaks down into simpler substances
- 14. The burning of a fuel with oxygen
Down
- 1. The process of iron combining with oxygen and water to form rust
- 2. Composition A reaction where two or more elements combine to form a compound
- 4. The chemical formula for water
- 5. Carbonate A substance added to remove sulfur from coal
- 6. A reaction that absorbs heat from its surroundings
- 7. The coating of iron with zinc to prevent rusting
- 11. The process used to reduce sulfur dioxide emissions from power plants
- 13. A metal used to protect iron from rusting