Rusting Flashcards
1
Q
What metal rusts
A
Iron or an iron alloy such as steel
2
Q
How does sacrificial protection work?
A
You place a metal that is more reactive than iron near or on top of the iron/steel and as it is more reactive it will react first and protect the iron
3
Q
What conditions are needed for rust to occur
A
Water and air (O2)
4
Q
Name one scenario in which paint can protect against rust
A
Painting a car body
