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vohagiang2005
2 năm trước
a) AgNO3 + KCl → b) H2SO4 + Na2CO3 → c) CuCl2 + NaOH → d) H2SO4 + Fe → e) Fe + HCl → f) Cu + H2SO4 (đặc, nóng) → g) Al + Cl2 → h) Fe + CuCl2 →
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