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Cordite contains :

  • A.Nitroglycerine (58%) nitrocellulose (37%) and mineral jelly (5%)
  • B.Nitroglycerine (37%) nitrocellulose (58%) and mineral jelly (5%)
  • C.Nitroglyecrine (58%) and Nitrocellulose (42%)
  • D.Nitrocellulose (58%) and mineral jelly (42%)

Answer: A

Cordite contains nitroglycerine 58%, nitrocellulose 37% and mineral jelly 5%.

That is the composition of the original Cordite Mark I, the British double-base smokeless propellant used in the .303 cartridge. Nitroglycerine and nitrocellulose are the energetic ingredients, and mineral jelly (petroleum jelly) acts as a stabiliser and reduces barrel erosion. The later Cordite MD reduced the nitroglycerine to 30% and raised the nitrocellulose to 65%.

Swapping the two main percentages gives a mixture that was not cordite, and the two-component options leave out an ingredient.

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