Corrosion Flashcards
1
Q
What is corrosion?
A
When a metal reacts with oxygen.
2
Q
What is needed for rusting to occur?
A
BOTH oxygen and water.
3
Q
What is rusting?
A
The corrosion of iron.
4
Q
How can rusting be prevented?
A
By painting the metal.
Or
Sacrificial protection.
5
Q
What is sacrificial protection?
A
When a more reactive metal (zinc) is attached to iron to prevent it from rusting.
6
Q
What is a sacrificial metal?
A
A sacrificial metal is a more reactive metal than iron, it is attached to an iron or steel object to prevent it from rusting, such as zinc.
