Across
- 1. product of electrolysis of water
- 4. Precipitation reactions produce insoluble ......
- 6. The process in which metals are eaten up by action of air, moisture
- 9. reaction in which substances combine to form a single product.
- 10. reaction used in black and white photography.
- 11. gain of oxygen or loss of hydrogen.
Down
- 2. Addition of hydrogen
- 3. substance that takes part in chemical reaction.
- 5. substance added to food containing fats and oil.
- 7. Reaction of water with quick lime.
- 8. Aerial oxidation of fats