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Question

Pyrene is the commercial name of_______.
  1. fire extinguisher CCl4
  2. degreasing agent CHCl3
  3. insecticide CHI3
  4. aerosol, propellant C2Cl4F2

A
fire extinguisher CCl4
B
aerosol, propellant C2Cl4F2
C
degreasing agent CHCl3
D
insecticide CHI3
Solution
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Pyrene is the commercial name of a fire extinguisher CCl4. It is the only organic compound which is non-inflammable and which is used to extinguish the fire.

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