JAMB Chemistry 2019 Objective — Question 31
Question 31 of 40 from the Joint Admissions and Matriculation Board (JAMB) Chemistry 2019 Objective paper, with the correct answer and a full explanation.
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Which of the following properties qualifies carbon (IV) oxide as a fire extinguisher?
- A. It is found in the atmosphere
- B. It is an oxide of carbon
- C. It is colourless and odourless
- D. It neither burns nor supports combustionCorrect
Explanation
Carbon (IV) oxide (CO₂) does not support combustion, and being heavier than air/oxygen, it displaces the oxygen supply so that a fire is extinguished.
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