Forensic Chemistry

Question 1

Application of Chemical Principles in the examination of physical evidence

Answer 1

Forensic Chemistry

Question 2

Chemistry applied in the explanation of legal problems

Answer 2

Forensic Chemistry

Question 3

Scope of Forensic Chemistry

Answer 3

– Includes the chemical side of investigation
– Analysis of materials leading to legal proceedings
– Also answers questions in other aspects of Forensic Science

Question 4

Is the means, sanctioned by these rules (law), of ascertaining in judicial proceedings the truth respecting a matter of fact [Rule 128, Sec. 1, Rules of Court]

Answer 4

Evidence

Question 5

Is the means, sanctioned by these rules (law), of ascertaining in judicial proceedings the truth respecting a matter of wherein scientific knowledge is necessary.

Answer 5

Scientific Evidence

Question 6

Role of Forensic Chemistry

Answer 6

1. Speedy investigation
2. Solution of crimes

Question 7

Chemical findings are used in:

Answer 7

1. Convicting the guilty
2. Clearing the innocent

Question 8

Stages in the Work of a Forensic Chemist

Answer 8

1. Collection or Reception of the Specimen to be examined
2. Actual examination of Specimen
3. Communication of Results
4. Court Appearance

Question 9

magnify and resolve fine details

Answer 9

Microscopy

Question 10

preservation of evidence

Answer 10

Photography

Question 11

uses UV, IR, X-ray

Answer 11

Invisible Rays

Question 12

separation of constituents of a solution or colloidal dispersion

Answer 12

Chromatography

Question 13

migration of particles to opposite electrode

Answer 13

Electrophoresis

Question 14

elemental analysis

Answer 14

Spectography

Question 15

innovation of spectography

Answer 15

Laser Technique

Question 16

analyses samples in the Molecular Weight

Answer 16

Mass Spectrometry

Question 17

measures concentration of various elements or compounds

Answer 17

Spectrophotometry

Question 18

uses nuclear reactor

Answer 18

Neutron Activation Analysis

Question 19

use of light that penetrates the sample and identifies the nature of the sample

Answer 19

11. X-ray Diffraction Analysis

Question 20

study of different insects

Answer 20

Forensic Entomology

Question 20

DNA Profiling

Answer 20

DNA Typing

Question 21

detects trace elements

Answer 21

Atomic Absorption Spectrophotometry

Question 22

every object, natural or man-made, has an individuality which is not duplicated in any other objec

Answer 22

Law of Individuality

Question 23

everything changes with the passage of time

Answer 23

Law of Progressive Change

Question 24

only “likes” (similarities) can be compared

Answer 24

Principle of Comparison

Question 25

the analysis can be no better than the sample analyzed

Answer 25

Principle of Analysis

Question 26

all identifications, definite or indefinite, are made consciously or unconsciously on the basis of probability

Answer 26

Law of Probability