Question

Cu(OH)2 + HNO3 = ..., HNO3 + BaO = ... , Ba(NO3)2 + H2SO4 = ..., Mg + HBr = ..., Al2O3 + HCl = ..., Fe(OH)2 + H2SO4 = ...,

Answer 1

Cu(OH)2+2HNO3=Cu(NO3)2+2H2O

2HNO3+BaO=Ba(NO3)2+H2O

Ba(NO3)2+H2SO4=BaSO4+2HNO3

Mg+2HBr=MgBr2+H2

Al2O3+6HCl=2AlCl3+3H2O

Fe(OH)2+H2SO4=FeSO4+2H2O