day cac chat deu phan ung voi dung dich HC1 laA.NaOH,A1,Zn,Fe,Sn,Pb,Cu,Ag C.CaO,A12O3,Na2SO3,H2SO3B.CuOH2,Cu,CuO,Fe D.NaOH,A1,CaCO3,CuOH2,Fe,CaO,A12O3
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