5. State what is meant by the term 'activity series of metals'
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Activity series is a series of arrangement of metals in decreasing order of their reactivity. Potassium is at the top of this series and gold is at the bottom. The most reactive from Zn, Ag, Na, Fe, Cu, Pb is Na. The least reactive are Ag and Cu.
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Activity series is a series of arrangement of metals in decreasing order of their reactivity. Potassium is at the top of this series and gold is at the bottom.
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