MO CDL Hazardous Materials (HazMat) Practice Test 2025

Perfect for first-time and renewal CDL/CLP applicants, and those adding endorsements
Based on 2025 MO commercial driver's license manual
Triple-checked for accuracy
Updated for March 2025

Your livelihood depends on you passing your MO Hazardous Materials test. You hit the books, but you don’t feel as if you’re prepared. You could just go into the DOR and wish for the best, but that would be a mistake. Instead of rolling the dice, take an Missouri Hazardous Materials practice test. It will get you ready for the real thing. Then, you’ll be sharp and ready to go on the big day.

Your Practice Test – What to Know
A CDL Hazardous Materials practice test closely resembles the official test you’ll take at the DOR. The test’s 30 questions are taken from the 2025 Missouri CDL manual, just like the questions on the real exam. This way, you will come across the same types of questions on the practice test and the authorized test. They might be worded in a different way, but the meaning will still be the same. That makes the practice test the perfect way to get ready for taking your CDL Hazardous Materials test.
Since this is a practice test, use it as a way to get prepared for the big test. Take out your notepad and make a note of your weak areas. If something is giving you trouble, you can go back and go over it. Then, take the practice test over and over again until you breeze through it.
Then, you’ll be ready for test day.

Tackling the Test
Test day might feel stressful, but remember, you have prepared for it. You are ready to take on whatever comes your way. Just remember what you learned on the practice test, and you will be prepared.
Get those remaining nerves out of your system by taking the practice test one more time. After all, practice really does make perfect, and that will burn the answers into your head. Then, you will go in like a force to be reckoned with when you take your test.
Best of luck on your HazMat test. As long as you take your practice test and follow these tips, you shouldn’t have any problem whatsoever with your test.

5 min to complete

Available in EN and ES

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What to expect on the actual MO DOR exam

questions

correct answers to pass

80%

passing score

Helpful links

MO DMV website

Official Missouri CDL manual (2025)

More MO DOR Written Exam Resources

MO CDL HazMat Test

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MO CDL Hazardous Materials (HazMat) Practice Test

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