摘要:53 H2 (C)H2O (D)O2 CO2 C 54 A CuO B H2SO4 C CuSO4 DCu(OH)2 55(1)A. CuCl2 B. Cu(OH)2 C. CuO D. NaCl E. AgCl (2) ① CuCl2 +2NaOH → 2NaCl + Cu(OH)2↓. ②Cu(OH)2 CuO + H2O ③ NaCl + AgNO3 → NaNO3 + AgCl↓
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