Forensic Medicine General 7bb7ee00 Brain is presented for study in - A 10% formalin B 20% formalin C 30% formalin D 40% formalin High-Yield Explanation Ans. is 'a' i.e. 10% formalin 10% formalin is used as preservative for histopathological examination of tissue but not used for poisoning or chemical analysis.