Răspuns:
2NaOH+CuSO4→Cu(OH)2 + Na2SO4
Cu(OH)2 + HCI→CuCl2+H2O
Cu(OH)2 → CuO + H2O
Cu +2 AgNO3 →2 Ag↓ + Cu(NO3)2
Explicație:
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Răspuns:
2NaOH+CuSO4→Cu(OH)2 + Na2SO4
Cu(OH)2 + HCI→CuCl2+H2O
Cu(OH)2 → CuO + H2O
Cu +2 AgNO3 →2 Ag↓ + Cu(NO3)2
Explicație: