Question

Уравнение реакции 1)CuO+HCl -> 2)Zn+H2SO4-. 3)NaOh+HNO3-> 4)BaCl2+H2SO4-> 5)NaOH+CuCl2->

Answer 1

CuO + 2HCl = CuCl2 + H2O
Zn  +H2SO4 = ZnSO4 + H2
HNO3 + NaOH = NaNO3 + H2O
BaCl2 + H2SO4  = BaSO4 + 2HCl
2NaOH + CuCl2 = Cu(OH)2 + 2NaCl