In which combination would you need an electroplating apparatus to coat the first metal onto the second metal? Most Active Li K Ba Sr Ca Na Mg Al Mn Zn Fe Cd Co Ni Sn Pb H Cu Ag Hg Least Active Au cadmium onto nickel tin (Sn) onto copper nickel onto iron aluminum onto lead (Pb)

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Answer    "a salt" would be the best answerexplanationsalts can be defined as ionic compounds that are neither acids nor bases. nacl is an example of a salt, and its ionic.an enzyme is an organic compound which is covalently bonded, not ionically bonded.acids are generally held together by covalent bondsan element does not need any bonds to exist