Question: Which metals will corrode (anodes) and which ones will not be corroded when they are exposed to water based on the following pairs: 1) Au

Which metals will corrode (anodes) and which ones will not be corroded when they are exposed to water based on the following pairs: 1) Au and Zn 2) Fe and Ni 3) Cu and Pb 4) Co and Cr 5) Al and Sn

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