𝐅𝐨𝐫𝐞𝐧𝐬𝐢𝐜 𝐐𝐮𝐢𝐳 𝟐

Shivi Forensics

Topic: General Forensics 

1. Primary high explosive used in percussion cap of cartridge is
A. Lead azide
B. TNT
C. PETN
D. RDX
The Correct Answer is Option A lead azide.

2. Infrared spectra of paint sample without any preprocessing of sample can be obtained by technique of
A. diamond anvil cell sampling FTIR
B. cross force sampling FTIR
C. flame force sampling FTIR
D. cross flame force sampling FTIR
The Correct Answer is Option A diamond anvil cell sampling FTIR.

3. Identification of nature of adulterants in cement sample can be carried out easily by
A. gas chromatography
B. X-ray diffractometer
C. emission spectrography
D. gel electrophoresis
The Correct Answer is Option B X-Ray diffractometer.

4. Aluminium, calcium, magnesium and cobalt are components of
A. red colour safety glass
B. blue colour safety glass
C. yellow colour safety glass
D. green colour safety glass
The Correct Answer is Option B blue colour safety glass.

5. Radial fracture of glass can be helpful in determining
A. thickness of glass
B. sequence of bullet holes in glass
C. quality of glass 
D. colour of glass
The Correct Answer is Option B sequence of bullet holes in glass 

6. The fundamental chemical reaction for fire initiation is
A. hydroxylation
B. Oxidation
C. combustion
D. ignition
The Correct Answer is Option B oxidation.

7. The major component of Molotov cocktail is
A. gasoline
B. lead azide
C. ethyl alcohol
D. valine
The Correct Answer is Option A Gasoline.

8. Emulsion is a coating on all photographic films and papers consisting of light-sensitive silver salt in a
A. salt mineral medium
B. gelatine medium
C. mineral fat medium
D. glass mineral medium
The Correct Answer is Option B Gelatine medium.

9. During gravimetric method of analysis of cement filtrate-D is used for calculation of
A calcium oxide
B. iron oxide
C. silica oxide
D. potassium permanganate
The Correct Answer is Option A calcium oxide.

10. Soil sample when moistened with few drops of water and concentrated hydrochloric acid gives yellow colour due to presence of
A. lime
B. zinc
C. iron
D. aluminium
The Correct Answer is Option C Iron.

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