Silver Nitrate Method Quiz

What is the primary purpose of the silver nitrate method?

• To detect latent fingerprints

• To enhance color in photographs

• To clean surfaces

• To preserve documents

What type of surfaces can the silver nitrate method be used on?

• Porous items like paper and wood

• Ceramic and stone

• Plastic and rubber

• Metal and glass

What is produced when silver nitrate reacts with chloride content in sweat?

• Silver bromide

• Silver sulfate

• Silver oxide

• Silver chloride

What is the recommended concentration of silver nitrate solution for optimal results?

• 10%

• 3%

• 5%

• 1%

What happens to silver chloride when exposed to sunlight or UV light?

• It dissolves completely

• It becomes more stable

• It decomposes into metallic silver

• It turns into silver nitrate

What is a common stopping solution used after developing fingerprints?

• Calcium carbonate

• Mercuric nitrate

• Sodium chloride

• Potassium bromide

What is a major advantage of the silver nitrate method?

• It is inexpensive

• It can develop old fingerprints

• It works on all surfaces

• It is non-toxic

What is a significant drawback of the silver nitrate method?

• It stains the background

• It cannot detect fingerprints older than a week

• It is ineffective on porous surfaces

• It requires expensive equipment

What should be done after developing fingerprints to prevent background staining?

• Leave it in the sunlight

• Wash with water and apply a stopping solution

• Store it in a freezer

• Cover it with a cloth

What happens to silver ions that seep into the substrate?

• They turn into silver chloride

• They enhance the fingerprint visibility

• They impart a dark color to the background

• They evaporate