Question

ХИМИКИ!! ВЫРУЧАЙТЕ! :(

Answer 1

Fe2O3+3H2-->2Fe+3H2O
CrO+H2-->Cr+H2O
NiO+H2-->Ni+H2O
SnO+H2-->Sn+H2O
Zn+H2-->Zn+H2O
Co2O3+3H2-->2Co+3H2O
Fe3O4+2H2-->3Fe+4H2O
Ag2O+H2-->2Ag+H2O

Answer 2

большое*