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Chemistry
Chemistry
Problem
The iron salt used in blue prints is : a.
FeC
2
O
4
\text{FeC}_2\text{O}_4
FeC
2
O
4
b.
Fe
2
(
C
2
O
4
)
3
\text{Fe}_2(\text{C}_2\text{O}_4)_3
Fe
2
(
C
2
O
4
)
3
c.
K
4
Fe
(
CN
)
6
\text{K}_4\text{Fe}(\text{CN})_6
K
4
Fe
(
CN
)
6
d.
FeSO
4
\text{FeSO}_4
FeSO
4
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