1) 2Al+3H2SO4=Al2SO43+3H2
2)Не реагирует
3)2HBr + Zn = ZnBr2 + H2
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1) 2Al+3H2SO4=Al2SO43+3H2
2)Не реагирует
3)2HBr + Zn = ZnBr2 + H2