FORENSIC CHEMISTRY UPDATED ACTUAL
QUESTIONS AND CORRECT ANSWERS FULL
SOLUTION STUDY GUIDE
●● Who is considered the Father of Chemistry?
Answer: Antoine-Laurent Lavoisier
●● What is the law of conservation of mass?
Answer: In a chemical reaction, atoms are neither created nor destroyed.
●● What are the common types of evidence analyzed in forensic
chemistry?
Answer: Fibers, soil, paints, explosives, documents, charred debris,
drugs, glass, toolmarks, and firearms.
●● What is the Locard exchange principle?
Answer: Whenever two objects come into contact, they transfer material
from one to the other.
●● What is the role of a forensic chemist?
Answer: A forensic chemist aids in investigations to solve legal
problems by analyzing evidence.
,●● What are physical properties of substances?
Answer: Properties that can be described without requiring a chemical
change, such as color, mass, and density.
●● What are chemical properties of substances?
Answer: Properties that can only be described through a chemical
change, such as reactivity and flammability.
●● What evidence indicates a chemical reaction has occurred?
Answer: Change of color, formation of a solid, formation of a gas, and
exchange of heat with surroundings.
●● What is the significance of chemical analysis in forensic
investigations?
Answer: It helps in identifying, comparing, and interpreting physical
evidence to solve crimes.
●● What is the scientific method in forensic analysis?
Answer: A series of logical steps used to solve problems, essential for
examining physical evidence.
●● Who established the world's first crime laboratory?
Answer: Dr. Edmund Locard in Lyons, France, in 1910.
, ●● What was the first public recognition of science in justice in the
Philippines?
Answer: The Royal Decree 188 in March 1876, which assigned forensic
physicians to conduct autopsies.
●● What is the purpose of the PNP Crime Laboratory?
Answer: To assist criminal investigations within its jurisdiction.
●● What are questioned samples in forensic analysis?
Answer: Samples collected from a crime scene whose identities and
origins are unknown.
●● What is the importance of chemical findings in forensic chemistry?
Answer: They are used to convict the guilty and clear the innocent.
●● What is the role of forensic chemistry in drug-related cases?
Answer: It involves analyzing drugs to determine their composition and
potential effects.
●● What is the significance of the Division of Investigation created in
December 1937?
Answer: It was established to enhance medico-legal services and
included a chemist for forensic analysis.
QUESTIONS AND CORRECT ANSWERS FULL
SOLUTION STUDY GUIDE
●● Who is considered the Father of Chemistry?
Answer: Antoine-Laurent Lavoisier
●● What is the law of conservation of mass?
Answer: In a chemical reaction, atoms are neither created nor destroyed.
●● What are the common types of evidence analyzed in forensic
chemistry?
Answer: Fibers, soil, paints, explosives, documents, charred debris,
drugs, glass, toolmarks, and firearms.
●● What is the Locard exchange principle?
Answer: Whenever two objects come into contact, they transfer material
from one to the other.
●● What is the role of a forensic chemist?
Answer: A forensic chemist aids in investigations to solve legal
problems by analyzing evidence.
,●● What are physical properties of substances?
Answer: Properties that can be described without requiring a chemical
change, such as color, mass, and density.
●● What are chemical properties of substances?
Answer: Properties that can only be described through a chemical
change, such as reactivity and flammability.
●● What evidence indicates a chemical reaction has occurred?
Answer: Change of color, formation of a solid, formation of a gas, and
exchange of heat with surroundings.
●● What is the significance of chemical analysis in forensic
investigations?
Answer: It helps in identifying, comparing, and interpreting physical
evidence to solve crimes.
●● What is the scientific method in forensic analysis?
Answer: A series of logical steps used to solve problems, essential for
examining physical evidence.
●● Who established the world's first crime laboratory?
Answer: Dr. Edmund Locard in Lyons, France, in 1910.
, ●● What was the first public recognition of science in justice in the
Philippines?
Answer: The Royal Decree 188 in March 1876, which assigned forensic
physicians to conduct autopsies.
●● What is the purpose of the PNP Crime Laboratory?
Answer: To assist criminal investigations within its jurisdiction.
●● What are questioned samples in forensic analysis?
Answer: Samples collected from a crime scene whose identities and
origins are unknown.
●● What is the importance of chemical findings in forensic chemistry?
Answer: They are used to convict the guilty and clear the innocent.
●● What is the role of forensic chemistry in drug-related cases?
Answer: It involves analyzing drugs to determine their composition and
potential effects.
●● What is the significance of the Division of Investigation created in
December 1937?
Answer: It was established to enhance medico-legal services and
included a chemist for forensic analysis.
