Across
- 4. the process of splitting a molecule using electricity
- 6. oxidation of the top layer of metal surface
- 7. substance that undergoes change in a chemical reaction
- 8. substances which are added to food to prevent rancidity
Down
- 1. common name of Calcium Carbonate
- 2. insoluble substance formed when Barium Chloride reacts with Sodium Sulphate
- 3. type of chemical reaction that involves only one reactant
- 5. respiration is a _____________ reaction