Iron can be prevented from rusting by?
A. Connecting iron to more electropositive metal, a case of cathodic protection
B. Connecting iron to more electropositive metal, a case of anodic protection
C. Connecting iron to less electropositive metal, a case of anodic protection
D. Connecting iron to less electropositive metal, a case of cathodic protection
Answer:B
Iron can be prevented from rusting by?
A. Connecting iron to more electropositive metal, a case of cathodic protection B. Connecting iron to more electropositive metal, a case of anodic protection C. Connecting iron to less electropositive metal, a case of anodic protection D. Connecting iron to less electropositive metal, a case of cathodic protection