27. Solving a chemistry problem

27. Solving a chemistry problem

4. For a pair of metals:
- determine whether corrosion is possible upon contact with air;
-write the equations of the anodic and cathodic processes, analyzing examples of hydrogen and oxygen depolarization at a given pH value of the medium;
-offer anodic and cathodic coatings for corroded metal.
Zn-Ag, pH=12.

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