Across |
2. | Type of salt formed from sulphuric Acid |
6. | Type of salt formed from hydrochloric Acid |
8. | Very unreactive metal |
9. | One of the things required for corrosioin to take place |
10. | Copper and iron metals placed into a lemon produces a _ _ _ _ _ _ _ |
11. | Naturally ocurring compounds containing metals |
12. | Rusting is a special term for Iron but what is the general term for all metals |
14. | Term for splitting compunds using electricity |
19. | Reactivity can be tested only when the experimental set up is _ _ _ _ |
20. | Speeds up corrosion |
21. | Type of salt formed from nitric Acid |
22. | Iron, nickel, tin, copper, aluminium and zinc are all types of _ _ _ _ _ |
23. | A coating of this helps prevent corrosion |
24. | Storage of metals under oil protects them from the _ _ _ _ _ _ _ _ in the air |
26. | A mobile source of energy |
27. | Reacts with a metal forming a salt and hydrogen gas |
30. | Describes the noise of the reaction of hydrogen near a lit splint |
31. | Using this form of energy we can extract low reactivity metals from compounds |
32. | A list describing the ease with which metals form other compounds |