A : CuO
B: \(Cu\left(NO_3\right)_2\)
C : \(Cu\left(OH\right)_2\)
\(D:CuCl_2\)
PTHH :
\(CuO+2HNO_3-->Cu\left(NO_3\right)_2+H_2O\)
\(Cu\left(NO_3\right)_2+2NaOH-->Cu\left(OH\right)_2+2NaNO_3\)
\(Cu\left(OH\right)_2+HCl-->CuCl_2+2H_2O\)
\(CuCl_2-dp\text{dd}->Cu+Cl_2\)