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Across
1.
_____________ current is a form of cathodic protection.
5.
_____________ is where oxidation occurs.
11. This process is used to coat steel with
zinc.
12. In cathodic protection, the metal to be protected
is made the _____________.
13. This reactive metal is used to coat steel wire
fences.
14. A blend of different metals is called an _____________.
15. This corrosion-resistant metal is used in medical
implants.
16. This ion is produced during the reduction of
oxygen.
18. Metals often rust faster where they are mechanically
_____________.
Down
2.
_____________ anodes protect steel from corrosion.
3. The deterioration
of metals as a result of oxidation is called _____________.
4. This lightweight metal
corrodes to form a tough protective oxide.
6. This molecule is required for the corrosion
of iron to occur.
7. _____________ make the corrosion of metals occur
faster.
8. _____________ protection can be used to protect
metals from corrosion.
9. A corroding metal is a _____________ cell.
10. The simplest form of rust protection is called
_____________.
17. _____________ is a red, flaky oxide of iron
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