Across
- 5. a reaction in which a highly reactive metal displaces a less reactive metal from its salt solution
- 8. the oxidation of oils or fats in food resulting in bad taste and smell
- 9. a reaction where a more complex molecule breaks into two or more simple compound
- 11. a reaction where a single product is formed from two or more reactants
- 13. a reaction in which two reacting molecules exchange their ions
- 15. a reaction in which a substance loses oxygen or gains hydrogen
- 16. a type of double displacement in which water is formed
Down
- 1. eating up of metals as a result of their exposure to air, moisture and other gases in the atmosphere
- 2. process by which a substance decomposes with the presence of light
- 3. reactions during which heat is ,absorbed
- 4. process by which a substance decomposes with the use of electricity
- 6. reactions during which heat is evolved
- 7. a reaction in which a substance gains oxygen or loses hydrogen
- 10. a type of double displacement in which insoluble salts are formed
- 12. a reaction in which oxidation and reduction take place simultaneously
- 14. process by which a substance decomposes when heated