117. Solving a chemistry problem
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117. Solving a chemistry problem
4.21 For a pair of metals:
-determine whether corrosion is possible on contact with air;
-write the equations of the anodic and cathodic processes, having analyzed the examples of hydrogen and oxygen depolarization at a given pH value of the medium;
- offer anode and cathode coating for corroded metal.
Sn-Cd, pH=10.
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