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What will be most reactive of these metals with hydraulic acid:

mg, fe, zn, al

User Kouretinho
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1 Answer

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Voltaic series

Li-K-Ba-Ca-Na-Mg-Al-Mn- (H2O) -Zn-Cr-Fe-Cd-Co-Ni-Sn-Pb- (H) -Cu-Hg-Ag-Pt-Au

The more to the left, the metal is more reactive, so the most reactive is Mg

User Kingsley Simon
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