Name the substance which is used to prepare blue-black inkA. `Fe(OH)_( – InterviewSolution

InterviewSolution

1.	Name the substance which is used to prepare blue-black inkA. `Fe(OH)_(2)`B. `Fe_(2)(SO_(4))_(3)`C. `FeSO_(4)`D. `Fe_(2)O_(3)`
Answer» Correct Answer - C

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