Corrosion Flashcards
(6 cards)
1
Q
Corrosion
A
when a metal reacts with
oxygen and over time it becomes weaker.
The metal is being oxidised as it is gaining
oxygen.
2
Q
What happens when iron corrodes?
A
It is called rusting
3
Q
What metal does not corrode?
A
Gold
4
Q
What happens to some more reactive metals when they corrode?
A
Some more reactive metals do not
corrode as they react with oxygen to
give a protective oxide layer which is
called a tarnish.
5
Q
Oxidation in terms of oxygen
A
when a species gains oxygen
6
Q
Reduction in terms of oxygen
A
= when a species loses oxygen
