CaO+HNO3 =Fe+CuSo4=Na2O+H2O=Cu(OH)2=

Question

CaO+HNO3 =
Fe+CuSo4=
Na2O+H2O=
Cu(OH)2=

Answer 1

CaO+2HNO3=Ca(NO3)2+H2O
Fe+CuSO4=FeSO4+Cu
Na2O+H2O=2NaOH
Cu(OH)2=(нагревание) CuO+H2O