Answer:
To find out the effect of chemical in the crime and its effect on human health.
Step-by-step explanation:
The chemical analysis is used in forensic science in order to find out the contribution of chemical in the crime and to find out the real criminal. The powder which was get from the crime scene, the scientist find out its chemical composition and its effect on human health. The synthetic drugs are very dangerous to human health because it is produced in the laboratory with different types of chemicals that are harmful for the health. They are more dangerous as compared to cocaine and heroine due to non-natural ingredients.