Civil Services Prep

Prelims 2025 · Science and Technology · Question 6

What is the common characteristic of the chemical substances generally known as CL20, HMX and LLM-105, which are sometimes talked about in media?

  1. These are alternatives to hydrofluorocarbon refrigerants
  2. These are explosives in military weapons
  3. These are high-energy fuels for cruise missiles
  4. These are fuels for rocket propulsion

Answer

These are explosives in military weapons

  • (a) CL-20, HMX and LLM-105 are not refrigerants; hydrofluorocarbon alternatives are different classes of chemicals. Verdict: Incorrect.
  • (b) CL-20, HMX and LLM-105 are high-energy explosive compounds studied/used for military munitions and warheads. Verdict: Correct.
  • (c) These are not fuels for cruise missiles; they are primarily energetic explosive materials, though they may be components in propellant/explosive formulations. Verdict: Incorrect.
  • (d) They are not standard rocket fuels; rocket propulsion uses propellants/fuels-oxidizers, whereas these are mainly known as high explosives/energetic materials. Verdict: Incorrect.
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