List of top Forensic Science Questions on Forensic Chemistry

Which of the following two reagents are used in the test for the differentiation between Bhang, Ganja and Charas ? A. Duquenois reagent
B. p-Aminophenol in ethanol
C. Fast blue B salt with anhydrous sodium sulphate
D. Caustic potash in distilled water
Choose the correct answer from the options given below :

Match List - I with List - II. List - I List - II
A. Marquis Test I. Yellow colour
B. Mecke’s Test II. Purple Violet colour
C. Frohde Test III. Deep Green colour
D. Nitric Acid Test IV. Grey Purple colour
Choose the correct answer from the options given below :

Arrange the following in the correct sequence followed in Ultra Performance Liquid Chromatography.
A. Mobile phase reservoir
B. Guard column
C. Separation column
D. Detector

Among the given options, select the parts which are present in UV visible spectrophotometer.
A. Interferometer
B. Monochromator
C. Hollow cathode lamp
D. Deuterium lamp

Which of the following detectors can be coupled with a gas chromatographic system?
A. Thermal conductivity detector
B. Photo diode-array detector
C. Flame ionization detector
D. Electro chemical detector

Match the LIST-I (Element) with LIST-II (Group)
\begin{tabular}{ll} LIST-I & LIST-II
A. O\(_2\) & I. Transitional metals
B. Po & II. Non-metal
C. Os & III. Metalloid
D. Se & IV. Noble gas
\end{tabular}

Arrange the following elements in increasing order of their atomic number:
A. Zr
B. Xe
C. Ag
D. Ba
E. Rb

Arrange the instruments in increasing order of their sensitivity:
A. GC-ECD
B. TLC
C. HPLC-PDA
D. GC-QToF
E. HPLC-RI

Arrange the instruments in increasing order of their sensitivity:
A. GC-ECD
B. TLC
C. HPLC-PDA
D. GC-TCD
E. HPLC-RI