Question

Zn+H2=
Fe2O3+H2=
PbO+H2=
Cr2O3+H2=
WO3+H2=​

Answer 1

Ответ:

Zn+H2= Zn + H2(испарение)

Fe2O3 + H2= Fe2 + H2O3

PbO+H2= Pb + H20

Cr2O3 +H2= Cr2 + H2O3

WO3+3H2= W + 3H2O