Florida CDL Hazmat: Hazard Classes Test 2026
20 questions identifying the nine DOT hazard classes and what materials fall into each.
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About the Florida CDL hazard classes test
Nine hazard classes, and the Florida CDL hazmat hazard classes test expects you to know them cold. This 2026 hazard classes practice test walks the numbered divisions a commercial driver meets on a Florida freight run: explosives, gases, flammable liquids, flammable solids, oxidizers and organic peroxides, poisons and infectious substances, radioactive material, corrosives, and the miscellaneous class that catches whatever is left.
Knowing the classes is not trivia. On the hazmat endorsement test the class drives the placard, the segregation rules that keep incompatible freight apart inside one trailer, and the response you owe if that material escapes. Fuel and agricultural chemicals moving along the I-4 corridor put flammable liquids and corrosives in front of Florida drivers constantly, which makes this hazardous materials endorsement topic worth genuine study time.
Question counts for the Florida hazmat exam are decided at the state level, so confirm the exact number inside your Florida CDL Manual. Repeat this free hazmat practice test until every class number maps to its material without a pause.
Every question traces back to the Florida CDL Manual - skim the right-of-way and signs chapters before your retake.
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🎓 Exam Mode - just like the real thing
- ⏱ 15-minute timer, same as your DMV
- 🙈 No hints, no instant feedback
- 🔀 Questions come in random order
- ❌ More than 4 mistakes ends the exam - like the real one
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