Note: This whole section is a part of Forensic Chemistry MCQs that includes topics such are arson, petroleum, and explosive products. These are made specifically for the preparation of NTA UGC NET and University entrance tests.

1. Explosives are described in

  1. Explosive Substance Act, 1908
  2. Explosive Substance Act, 1928
  3. Explosive Substance Act, 1980
  4. Explosive Substance Act, 1918

Answer

2. The process of breaking the molecules of a chemical into atoms under pressure, the atoms recombining to form gases the whole phenomena taking place with extreme rapidity is called

  1. Brisance
  2. Burning
  3. Deflagration
  4. Detonation

Answer and Explanation

3. All are detonators except

  1. RDX
  2. Mercury fulminate
  3. Lead aside
  4. Lead styphnate

Answer and Explanation

4. Assertion(A): Low explosives cause less devastation to life and property.

Reason(R): They produce less gas and energy.

  1. Both (A) and (R) are true
  2. Both (A) and (R) are false
  3. (A) is true But (R) is False
  4. (A) is false but (R) is true

Answer

5. The percentage of cooking gas-forming explosive mixture with air is :

  1. 12 – 15%  
  2. 9 – 12%      
  3. 8 – 9%    
  4. 2 – 7%

Answer and Explanation

6. An explosion during fire due to the mixing of fresh air in a compartment having inflammable, volatile pyrolysis products & low oxygen is known as:

  1. Flashback
  2. Flame over
  3. Rollover
  4. Dropdown

Answer

7. Which of the organs is commonly affected by shock waves?

  1. Heart
  2. Lungs
  3. Brain
  4. Liver

Answer and Explanation

8. The flash burns in case of explosion injury is due to:

  1. Radiation
  2. Conduction
  3. Convection
  4. None of the above

Answer

9. Components of R-D-X is:

  1. 1- nitroguanidine
  2. Cyclotrimethylene Trinitramine
  3. Cyclotetramethylene tetranitramine
  4. Trinitrotoluene

Answer

10. l.E.D. means:

  1. Indian Explosive Devices
  2. Internal Explosive Devices
  3. Improvised Explosive Devices
  4. International Explosive Devices

Answer and Explanation

11. The following explosives are secondary explosives:

(i) Lead azide (ii) RDX (iii) Fulminate of Mercury (iv) T.N.T.

  1. (i) and (ii) are correct
  2. (ii) and (iii) are correct
  3. (ii) and (iv) are correct
  4. (i), (ii), (iii) and (iv) are correct

Answer and Explanation

12. Which of the following explosives was first prepared for medicinal use in 1899?

  1. RDX
  2. PETN
  3. ANFO
  4. HMX

Answer and Explanation

13. Match the following:

List-IList-II
(a) R.D.X.(i) 2, 4, 6 Trinitrotoluene
(b) T.N.T.(ii) Cyclotetra methylene tetra Nitra amine
(c) P.E.T.N.(iii) Cyco tri-methlene trinitra amine
(d) H.M.X.(iv) Pentaerythritol tetranitrate
 (a)(b)(c)(d)
1.(i)(ii)(iii)(iv)
2.(iv)(i)(ii)(iii)
3.(iii)(i)(iv)(ii)
4.(ii)(iii)(i)(iv)

Answer and Explanation

14. P.E.T.N. is

  1. Penta Erythritol Trinitrate
  2. Penta Erythritol Dinitrate
  3. Penta Erythritol Tetranitrate
  4. 1-Nitroguaindine

Answer

15. Main component of High explosive ‘Picratol’ is

  1. TNT and PETN
  2. TNT and Ammonium picrate
  3. RDX and Ammonium picrate
  4. Ammonium nitrate and Ammonium picrate

Answer and Explanation

16. This is used in Molotov cocktail:

  1. Arsenic
  2. Gasoline
  3. Phosphorous
  4. Magnesium

Answer and Explanation

16. Which of the following are examples of IED (Improvised Explosive Device)

  1. Acid bomb
  2. Letter bomb
  3. Molotov cocktail
  4. All of the above

Answer and Explanation

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