Question

what is the name of the fluid used to preserve animals ​

Answer 1

FORMALDEHYDE

The most common fixative is formaldehyde, or a formaldehyde and water solution known as formalin. Some specimens may not be fixed before being submersed in the fluid preserve. The fluid preserve: The preserve is commonly alcohol, either ethanol or isopropyl alcohol.

Answer 2

formalene is the fluid used to preserve in biology lab.

It is diluted upto 40%.