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tuandethuong985
2 năm trước
Phản ứng nào dưới đây không phải là phản ứng thế? Mg + 2HCl → MgCl2 + H2. Fe + 2AgNO3 → 2Ag + Fe(NO3)2. Ca(OH)2 + CO2 → CaCO3 + H2O. Zn + CuSO4 → ZnSO4 + Cu
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