Enhance your Knowledge of Forensic Chemistry by taking this test.
Best of luck.
#1. In trap cases, the pink colour of ‘Phenolphthalein’ fades due to:
#2. The time take by an unretained species to pass through a chromatography column is known as:
#3. The presence of two isotopes of Bromine i.e Br79 and Br81 can simply be detected in mass spectra when the peak intensities of their M and M+2 are in the ratio of:
#4. Which of the following solvents has the highest boiling point?
#5. Petroleum products include:
#6. The following colour tests is applied for the detection of halogenated hydrocarbons?
#7. Kerosene is a blend of:
#8. The basic chemical process in burning is:
#9. When the temperature of a liquid is raised:
#10. Domestic kerosene is blue in colour due to:
#11. Which of the following is used to colour motor gasoline?
#12. The important characteristic of petrol includes:
#13. The inert ingredient in aluminium phosphide tablet which prevents self-ignition of phosphide gas is:
#14. Radiations emitted by radioactive elements are:
#15. Diphenyl Amine Reagent (DPA) used for identification of explosive is prepared for dissolving 1gm of diphenylamine in 100 ml of which of the following:
#16. Assertion (A): As the rhodamine ‘B’ in ballpoint pen ink degrades, it losesthe ethyl groups. Reason (R): The ethyl groups are replaced by hydrogen atoms.
#17. Organophorous compounds and carbamates are powerful inhibitors of:
#18. Varnish is traditionally a combination of drying oil, a resin and a____.
#19. Which of the following is the cause of ‘Hooch Tragedy’?
#20. Kozelaka and Hine method is used for the quantitative estimation of
#21. ‘Proof’ in alcoholic drinks is:
#22. the modern breath alcohol instrument is based on technology of:
#23. The flash point of typical standard diesel is:
#24. The average elimination or ‘burn-off’ rate of alcohol is approximately
#25. 90% of the total ethanol consumed in body is converted into acetaldehyde and acetic acid within the:
#26. O-tolidine is 3, 3’dimethyl derivative of:
#27. The major component of “Molotov Cocktail’ is:
#28. Aluminum, calcium, magnesium and cobalt are components of:
#29. Blood Alcohol Concentration (BAC) is measured in:
#30. Blue colour of PDS kerosene is due to the presence of which dye?
Results
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