Допишите, где это возможно, уравнения реакций:
Fe + CuSO4
Ag + CuSO4
Zn + CuSO4
Cu + Hg(NO3)
CaCO3 + NaCl
CaCl2 + Na2CO3
BaSO4 + NaOH
CuSO4 + Na2S
Zn + HCl
ZnO + HCl
Zn(OH)2 + HCl
ZnS + HCl
Fe + CuSO4
Ag + CuSO4
Zn + CuSO4
Cu + Hg(NO3)
CaCO3 + NaCl
CaCl2 + Na2CO3
BaSO4 + NaOH
CuSO4 + Na2S
Zn + HCl
ZnO + HCl
Zn(OH)2 + HCl
ZnS + HCl
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Verified answer
Fe + CuSO₄ = Cu + FeSO₄
Ag + CuSO₄ ≠
Zn + CuSO₄ = Cu + Zn SO₄
Cu + Hg(NO₃)₂ ≠
CaCO₃ + NaCl ≠
CaCl₂ + Na₂CO₃ = CaCO₃↓ + 2NaCI
BaSO₄ + NaOH≠
CuSO₄ + Na₂S = CuS↓ + Na₂SO₄
Zn + 2HCl = ZnCI₂ + H₂↑
ZnO + 2HCl = ZnCI₂ + H₂O
Zn(OH)₂ + 2HCl = ZnCI₂ + 2H₂O
ZnS + 2HCl = ZnCI₂ + H₂S↑