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Chemistry
Chemistry
Problem
Formula of Rust is : a.
Fe
2
O
3
\text{Fe}_2\text{O}_3
Fe
2
O
3
b.
FeO
⋅
x
H
2
O
\text{FeO} \cdot x\text{H}_2\text{O}
FeO
⋅
x
H
2
O
c.
Fe
2
O
3
⋅
x
H
2
O
\text{Fe}_2\text{O}_3 \cdot x\text{H}_2\text{O}
Fe
2
O
3
⋅
x
H
2
O
d.
Fe
3
O
4
⋅
x
H
2
O
\text{Fe}_3\text{O}_4 \cdot x\text{H}_2\text{O}
Fe
3
O
4
⋅
x
H
2
O
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