Question
Question: Metals can be prevented from rusting by –...
Metals can be prevented from rusting by –
A
Connecting iron to more electropositive metal cathodic protection
B
Connecting iron to more electropositive metal anodic
protection
C
Connecting iron to less electropositive metal anodic
protection
D
Connecting iron to less electropositive metal cathodic
Protection
Answer
Connecting iron to more electropositive metal cathodic protection
Explanation
Solution
The process is called cathodic protection where iron acts as cathode and thus, not oxidised.