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General Principles and processes of Isolation of Elements
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Metal can be prevented from rusting by
A
Connecting iron to more electropositive metal $-a$ case of cathodic protection
B
Connecting iron to more electro positive 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
Solution
Metal is made passive through cathodic protection
Standard 12
Chemistry
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