a) Zn + H2SO4 → ZnSO4 + H2
b) Cu + 2HCl → CuCl2 + H2
c) Ag + HCl → AgCl + H2
d) Fe + 2HCl → FeCl2 + H2
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a) Zn + H2SO4 → ZnSO4 + H2
b) Cu + 2HCl → CuCl2 + H2
c) Ag + HCl → AgCl + H2
d) Fe + 2HCl → FeCl2 + H2