Across
- 2. The chemical reaction in which both oxidation and reduction occur together.
- 5. The eating up of metals as a result of their exposure to air moisture and other gases in the atmosphere.
- 9. The chemical reaction which takes place when a single substance decomposes to give two or more substances
- 11. The decomposition reaction which break down a compound in the presence of electrical energy.
- 12. Starting materials which are written on the left-hand side of the equation.
- 14. The decomposition reactions which break down a compound on heating.
- 15. A substance (agent) in a redox reaction which gives oxygen or gains hydrogen.
Down
- 1. The chemical reaction which takes place when two compounds exchange their ions to form new compounds.
- 3. The chemical reaction which takes place when two or more substances combine to form a single substance.
- 4. the decomposition reactions which break down a compound in the presence of light.
- 6. The chemical reaction which takes place when one or a group of atoms is replaced by another atom or group of atoms.
- 7. Written on right hand side of a chemical reaction.
- 8. The chemical reaction in which insoluble salts are formed.
- 10. A substance (agent) in a redox reaction which gives hydrogen or gains oxygen.
- 13. The oxidation of oil or fats in food resulting in bad taste and smell.
