You should never smoke or carry an open flame near hazmat that is:
Correct. Smoking or open flames are dangerous near explosives, flammable gases, flammable liquids, and oxidizers. The 25-foot rule applies during loading.
CDL Practice Question #280
Category: Hazmat
Why this question matters
This question is one of 68 in our Hazmat bank. The reasoning above comes directly from the AAMVA CDL Manual, the source document used by every U.S. state DMV. Memorizing the underlying rule — not just the letter answer — is what separates passing on the first attempt from a return trip and another fee.