rusting Flashcards
1
Q
Barrier method
A
Method of rust prevention by coating iron with paint, oil, grease or plastic, so that oxygen/water cannot reach the iron/steel.
2
Q
Galvanisation
A
Method of rust prevention by coating iron with a layer of zinc.
3
Q
Oxidation
A
Gain of oxygen or loss of electrons
4
Q
Reduction
A
Loss of oxygen or gain of electrons
5
Q
Rust
A
Corrosion of iron in the presence of water and oxygen, called hydrated iron(III) oxide.
6
Q
Sacrificial protection
A
Method of rust prevention by attaching a block of more reactive metal to the iron where the more reactive metal undergoes oxidation in preference to the iron.
7
Q
Redox
A
Reaction which involves both reduction and oxidation occurring together
