CuSo4--CuO>Cu(No3)2>CuO > CuS

Question

CuSo4--CuO>Cu(No3)2>CuO > CuS

Answer 1

1. CuSO4 + MgO = CuO + MgSO4
2. CuO + 2HNO3 = Cu(NO3)2 + H2O
3. 2Cu(NO3)2 при нагревании = 2CuO + 4NO2 + O2
4. CuO + H2S = CuS + H2O