\(\left(1\right)2H_2O\left(A\right)\underrightarrow{dp}2H_2+O_2\\ \left(2\right)O_2\left(B\right)+2Cu\underrightarrow{t^o}2CuO\\ \left(3\right)CuO\left(C\right)+2HCl\rightarrow CuCl_2+H_2O\\ \left(4\right)CuCl_2\left(D\right)+2NaOH\rightarrow Cu\left(OH\right)_2+2NaCl\\ \left(5\right)Cu\left(OH\right)_2\left(E\right)\underrightarrow{t^o}CuO\left(F\right)+H_2O\)
\(2H_2O\left(A\right)\underrightarrow{^{^{t^0}}}2H_2+O_2\left(B\right)\)
\(4Na+O_2\underrightarrow{^{^{t^0}}}2Na_2O\left(C\right)\)
\(Na_2O+H_2O\rightarrow2NaOH\left(D\right)\)
\(NaOH+HCl\rightarrow NaCl\left(E\right)+H_2O\)
\(NaCl+AgNO_3\rightarrow NaNO_3\left(F\right)+AgCl\)