1. Write the equations of selective corrosion of the alloy Cu/Zn in a neutral medium and in a medium of H3PO4.
2. Violation of the integrity of which coating on cobalt is shown in, figure: sacrificial or noble coating
Me^n+
This situation is possible with the contact of a pair of metals: Co/Al or Co/Ag.
Write the equations of corrosion in a neutral medium and in a medium of HI.
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