(1) 3Fe+4H 2O
Fe 3O 4+4H 2
(2) C+2H 2SO 4(浓)
CO 2↑+2SO 2↑+2H 2O
(3) 2Ca(OH) 2+2Cl 2=CaCl 2+Ca(ClO) 2+2H 2O
(4) SiO 2+CaCO 3
CaSiO 3+CO 2↑
略
(1) 3Fe+4H 2O
Fe 3O 4+4H 2
(2) C+2H 2SO 4(浓)
CO 2↑+2SO 2↑+2H 2O
(3) 2Ca(OH) 2+2Cl 2=CaCl 2+Ca(ClO) 2+2H 2O
(4) SiO 2+CaCO 3
CaSiO 3+CO 2↑
略