Collection Trace Evidence May Be Challenging for All of These

question 65

Multiple Choice

Collection trace evidence may be challenging for all of these reasons EXCEPT which one?

• A)It is minute or nearly invisible
• B)Someone has tried to remove it
• C)It requires technology to detect it
• D)It gets old very quickly

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Definitions:

Acetylene

A colorless, highly flammable gas, C2H2, used as a fuel and a building block for synthetic materials; it’s the simplest alkyne.

Methanol

A light, volatile, colorless liquid alcohol, CH₃OH, used as a solvent, antifreeze, fuel, and as a starting material for chemical synthesis.

Single Bonds

Chemical bonds involving the sharing of one pair of valence electrons between two atoms, typically indicative of a stable chemical linkage.

Formaldehyde

A colorless, strong-smelling gas used in making building materials and many household products, known chemically as CH2O.