The order of reactivity of metals Zn, Fe, Cu, Al is :
(1) Zn > Cu > Al > Fe
(2) Zn > Al > Cu > Fe
(3) Al > Zn > Fe > Cu
(4) Al > Cu > Fe > Zn
Zn, Fe, Cu, Al ATDETT A B7f4fabaficial do E H :
(1) Zn > Cu > Al > Fe
(2) Zn > Al > Cu > Fe
(3) AI > Zn > Fe > Cu
(4) Al > Cu > Fe > Zn
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(3)Al (Aluminium)>Zn(Zinc)>Fe(Iron)>Cu(Copper)
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