Corrosion Flashcards
1
Q
What is rust?
A
Hydrated iron(III) oxide
2
Q
Equation for formation of rust
A
Iron + oxygen + water + hydrated iron(III) oxide
3
Q
Corrosion
A
Where metals react with substances in their environment and are gradually destroyed
4
Q
What is needed for iron to rust?
A
Air and water
5
Q
2 main ways of preventing rusting
A
Coating iron with a barrier
Sacrificial method
