MCQ
Iron salt used in blue prints is :
- A$FeC_2O_4$
- ✓$Fe_2(C_2O_4)_3$
- C$K_4[Fe(CN)_6]$
- D$K_3[Fe(CN)_6]$
✓
Answer
Correct option: B.
$Fe_2(C_2O_4)_3$
b
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