Across
- 5. low pH
- 6. dissolves ither substances
- 9. substance and natural laws
- 10. high pH
- 12. gives off heat
Down
- 1. absorbs heat
- 2. reduces surface tenssion when added to a liquid
- 3. mixes with water
- 4. flammable
- 7. catches fire
- 8. process of oxidizing
- 11. measure of acids