Across
- 4. Reaction which uses energy
- 6. Decomposition reaction where electricity is passed
- 8. Process of the slow deterioration of metals
- 10. A reaction where more reactive element displaces a less reactive element
- 12. A reaction where both oxidation and reduction is involved
- 13. When 2 elements have been exchanged in a chemical reaction
- 15. Decomposition reaction where sunlight is absorbed
- 16. Break down of compound into 2 or more substance when heat energy is released
Down
- 1. A reaction where oxygen is removed
- 2. CaO(s)+H2O(I)-Ca(OH)2(aq)
- 3. Reaction which releases heat
- 5. when 2 or more substance combine to form a single new compound
- 7. Oxidation of oil and fat makes it taste bad and old
- 9. When iron corrodes when exposed to moisture and gets covered with red flaky substance called
- 11. Insoluble solid that emerges from a liquid solution
- 14. A reaction which involves addition of oxygen from a substance is called
