The physical fit of two paint fragments has more evidential value than any other examination of paint?
What is the legal limit of alcohol blood concentration for drivers?
150 mg/100 mL
80 mg/100 mL
40 mg/100mL
Class B drugs in an injectable form are considered as Class A drugs.
Which of the following is an acceptable outcome from presumptive testing?
False Negative
False Positive
The most common presumptive test for drugs uses the "marquis" reagent, what would you expect to see if this reagent was added to cocaine?
A colour change to purple
A colour change to black
No change
The National DNA Database was launched in 1995 using the second generation multiplex system. How many loci are analysed with this method (plus the sex marker)?
6 loci
4 loci
2 loci
The flash point is the highest temperature at which the fuel/air mixture can ignite and burn.
Which of the following are the most sensitive to heat and shock?
Primary Explosives
Secondary Explosives
If a large quantity of tablets or powder, and wraps are present in a sample of suspected drugs what sampling technique would be used?
All the material would be analysed.
A random sample would be taken and analysed.
A representative number would be analysed.
Gas Chromatography would be used to analyse the blood alcohol concentration in which type/s of samples?
Urine
Breath
Blood
Saliva
