Define the reactivity series of metals

1.	Define the reactivity series of metals
Answer» KNaCaMgAlZn FePbH In chemistry, a reactivity series (or activity series) is an empirical, calculated, and structurally analytical progression[1] of a series of metals, arranged by their "reactivity" from highest to lowest. It is used to summarize information about the reactions of metals with acids and water, double displacement reactions and the extraction of metals from their ore . ????

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