Across
- 4. rapid reaction of oxygen
- 5. rain that has acids such as nitric acids
- 6. hydrated iron
- 7. endothermic reaction that takes place in green plants
- 9. the breakdown of metals
- 10. term commonly used for sodium chloride
Down
- 1. protects aluminium from corrosion
- 2. chemicals produced in a chemical reaction
- 3. highly combustible chemicals
- 6. a chemical in glucose is broken down
- 8. a black coating of silver sulphide