Across
- 3. reddish brown oxide
- 4. passing electric current to cause chemical change.
- 8. insoluble particle like substances
- 10. absorbing heat from surroundings
- 12. splitting a substance into two or more substances
- 14. a substance that takes part in a reaction
- 15. a reaction where two or more substances combine
Down
- 1. an atom or compound gaining electrons in a reaction
- 2. atom or group of atoms is replaced by another group or atom.
- 5. reaction of an acid and base
- 6. oxidation of oils and fats in food
- 7. a substance formed from a reaction
- 9. when a metal surface is attacked by air or water
- 11. Reduction and oxidation take place simultaneously.
- 13. losing electrons from reactant to product