Across
- 2. what kind of process is respiration?
- 4. which gas can be Used for storage?
- 6. the process of reduction involves removal of
- 7. when ferrous sulphate is heated strongly it undergoes decomposition to form ferric oxide as a main product accompanied by a change in colour from green to
- 8. the process in which metals are eaten up by action of air,moisture Or a chemical on the surface
- 9. which type of reaction is this ? 2Na+2H2O=2NaOH+H2
- 10. precipitation in which energy is given out
Down
- 1. what type of chemical reaction takes place when electricity is passed through water
- 3. a substance added to food containing oils And fats
- 5. the condition produced by aerial oxidation of fats And oils in foods marked by unpleasant smell And taste