1)Al+2HCl= AlCl3+H2
2)2Ag+2HCl=2AgCl+H2
3)Zn+H2SO4=ZnSO4+H2
4)Cu+H2SO4=CuSO4+H2
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1)Al+2HCl= AlCl3+H2
2)2Ag+2HCl=2AgCl+H2
3)Zn+H2SO4=ZnSO4+H2
4)Cu+H2SO4=CuSO4+H2
2Ag+2HCl-->2AgCl+H2
Zn+H2SO4-->ZnSO4+H2
Cu+2H2SO4(конц)-->CuSO4+So2+2H2O