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Missouri CDL HazMat Practice Test 4 2025

Perfect for first-time and renewal CDL/CLP applicants, and those adding endorsements.

The HazMat endorsement is required by the states for drivers of commercial vehicles. The purpose of the HazMat endorsement is to ensure that drivers are aware of the hazards associated with the transportation of hazardous materials. When you need a job that requires the HazMat endorsement, preparing for the CDL knowledge exam is hard. The Missouri CDL manual is overwhelming, filled with information that’s often confusing and hard to remember. You need something where you could supplement the dry information with exam-like practice. This HazMat practice test will help you prepare. We’ve designed it to be the tool that will help you pass the official exam with ease – by covering the same materials that the real exam is based upon. You’ll be getting instant feedback after each question so you’ll know why every answer is correct. The answers are explained with easy-to-follow language. You’ll study at your own pace, and even review specific questions if they give you problems. Good luck!

Real exam-style pitfalls you’ll practice:
Common Traps
Distractors
Trick Wording
Double Negatives
Missouri CDL HazMat Practice Test 4 2025
Commercial Driver's License
Based on official MO exam questions
Steven Litvintchouk, M.S., Chief Educational Researcher at Driving-Tests.org

Authored and fact-checked by Steven Litvintchouk, M.S.

Chief Educational Researcher, Driving‑Tests.org (ACES member)
Last verified for accuracy on
Methodology & Editorial Policy

9 min to complete
Available in EN and ES

What to expect on the actual MO permit test

30

questions

24

correct answers to pass

80%

passing score

Real Missouri drivers who passed first try

Verified student reviews • Shared with permission

Definitely helpful and I recommend.
I was a little skeptical at first doing the ELDT hazmat online at first but it's better than doing the in person class also the 50 most common questions print out was good material as well good for future preparation. I passed the hazmat test with ease 100%
D
A thorough study aid.
The course for the hazmat was well laid out and had all the information needed to pass the test. I studied it for seven days, finished most of it the day before the test, and passed the price was reasonable. The material was spot-on, up-to-date, and accurate.
JK
Perfect program for ELDT requirements.
The Drivng-tests program for getting my hazmat endorsement was great. It was very thorough and covered everything I would need to know. The practice tests were extremely helpful. I passed the test at the registry easily. I can't recommend them enough
M

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