Q. Formalin is

A) Solution of fructose
B) 40% aq. sol. Of HCHO
C) 40% HCHO + 60% $CH_{3}CHO$
D) None of the above
Explanation

(b)
A 40% solution of formaldehyde in water, called formalin, is used for the preservation of biological and anatomical species

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.