Across
- 4. A+B=AB
- 6. common chemical change indication
- 7. allows for a reaction to take place faster
- 8. AB=A+B
- 9. reaction that absorbs energy
Down
- 1. reaction with a release of energy
- 2. seawater on the Ph scale
- 3. lemon juice on the Ph scale
- 5. CH4+O2=H2O+energy