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General Principles and processes of Isolation of Elements
easy

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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