Cu=CuSO4=Cu(OH)2=CuO=CuCl2

Question

Cu=CuSO4=Cu(OH)2=CuO=CuCl2

Answer 1

1. Cu + H2SO4= CUSO4 + H2

2. CuSO4+Ca(OH)2= Cu(OH)2 + CaSO4

3. Cu(OH)2=CuO+H2O

4. CuO+2HCl=CuCl2 + H2O

5. Удачи.