In order to visualize fingerprints from a non-porous surface,the object may be placed within a fuming chamber and exposed to vapors of which substance?
A)Cyanoacetate
B)Cyanoacrylate
C)Cyanoacetic acid
D)Cyanide

Question

Quizplus · Accepted Answer

When a non-porous surface is exposed to cyanoacrylate vapors, the chemicals react with amino acids in the fingerprint residue to form a hard, visible white impression. This technique is called cyanoacrylate fuming and is commonly used in forensic investigations.

In Order to Visualize Fingerprints from a Non-Porous Surface,the Object