Across
- 4. Releases heat.
- 6. Speeds a chemical reaction
- 7. Forms an insoluble solid.
- 8. Involves the burning of a substance in oxygen.
- 10. Loss of oxygen.
- 11. Exchange of ions between compounds.
- 13. More reactive element takes place.
- 14. Gain of oxygen.
Down
- 1. Single reactant breaks down.
- 2. Loss of hydrogen during a reaction.
- 3. Acid reacts with a base.
- 5. Combining reactants form a single product.
- 9. Absorbs heat.
- 10. Gain of hydrogen during a reaction.
- 12. Oxidation and reduction together.