BD Merit - Freelancing, BCS, Bank, Primary, Admission, NTRCA

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1.

A. $F e_{2} O_{3} . H_{2} O$
B. $F e_{2} O_{3} . H_{2} O$
C. $F e_{2} O_{3} . H_{2} O$
D. $F e_{2} O_{3} . H_{2} O$

Answer: Option D

Explanation:

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