Which of the following statements is INCORRECT?
a. Forensic chemists will first perform a quantitative test and then perform a qualitative test to determine the significance of the evidence
b. A forensic chemist will examine evidence to determine if it can be linked to a group
c. Chromatography and spectrometry are not common techniques used by forensic chemists to determine what a particular substance is
d. Evidence exhibiting class characteristics can either exhibit high or low significance