The widest explosive limit is of _____________, thereby making it the most explosive gas?
Correct answer: D. Acetylene
- A. Carbon monoxide
- B. Petrol vapor
- C. Hydrogen
- D. Acetylene
Explanation
Acetylene has an exceptionally broad flammability range, approximately 2.5% to 81% in air. This range is wider than those of hydrogen, petrol vapour, and carbon monoxide, making acetylene particularly hazardous.
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