Question

Which chemical is used to preserve specimens?

Answer 1

FORMALDEHYDE is the preservative mostly used to preserve the specimens.Formalin is used for the preservation of biological specimen.
Formalin is 30-40% of water in Formaldehyde or methanol.The formula of formaldehyde is HCHO.As formalin is a strong disinfectant and tissue hardner it is used for preserving biological and anatomical specimen.

Answer 2

Heya friend
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Methanol is used to hold the formaldehyde in solution. Formalin refers specifically to 37% aqueous formaldehyde and is not commonly used in funeral embalming but rather in the preservation of anatomical specimens.


hope it helps you

regards @cathrin