Multiple choice

Which of the following compounds was widely used in fire extinguishers?

  1. Calcium sulfate

  2. Carbon disulfide

  3. Carbonic acid

  4. Carbon tetrachloride
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Carbon tetrachloride is the organic compound with the formula CCl4. It was formerly widely used in fire extinguishers, as a precursor to refrigerants, and as a cleaning agent. It is a colourless liquid with a sweet smell that can be detected at low levels.

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