Cu+2HCl=CuCl2+H2↑
CuCl2+2NaOH=Cu(OH)2+2NaCl
Cu(OH)2 = CuO + H2O
CuO + H2 = Cu + H2O
x --CuCl2 , y--CuO
Cu+2HCl=CuCl2+H2↑
CuCl2+2NaOH=Cu(OH)2+2NaCl
Cu(OH)2 = CuO + H2O
CuO + H2 = Cu + H2O
x --CuCl2 , y--CuO