Multiple choice

Which of the following instruments is used to extinguish fire produced by oil?

  1. Water pipe

  2. CCI4

  3. Soda acid pipe

  4. Foam type
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Carbon tetrachloride (CCl₄) is a dense, non-flammable liquid that effectively extinguishes fires by smothering flames and displacing oxygen. It was historically used for electrical and oil fires because it does not conduct electricity and forms a heavy vapor blanket.

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