Question

The formula of haematite is

• A. $Fe{O}_4$
• B. $F{e}_2{O}_3$
• C. $FeC{O}_3$
• D. $Fe{S}_2$

Answer 1

Answer: (B)

Formula	Name
$F{e}_3{O}_4$	Magnetite
$F{e}_3{O}_3$	Haematite
$FeC{O}_3$	Siderite
$Fe{S}_2$	Pyrite

Thus, haematite is $F{e}_2{O}_3$.