Across
- 4. Substance that speeds up a reaction
- 8. Release of heat
- 9. Exchange of ions
- 11. Gradual deterioration of materials
- 13. Substance that changes in a reaction
- 14. Multiple reactants and a single product
- 15. Synonym of Combination reaction
- 16. Addition of oxygen
Down
- 1. Provide unpleasant odour to foods
- 2. Symbolic representation of a chemical reaction
- 3. An element of a compound is replaced by another element
- 5. Removal of oxygen
- 6. New material formed in a reaction
- 7. Chemical reaction expressed in words
- 10. Single reactant and multiple products
- 12. Absorption of heat