1
2
3
4
5
All tests
/
 
 
 
 
 
Advertisement
Based on official Ohio exam questions

OH CDL HazMat Practice Test 2 2025

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

Our second free Ohio BMVHazardous Materials (HazMat) endorsement practice test prepares you to make strides in advancing your driving career within “The Heart of it All.” Drivers adding a HazMat endorsement to their Ohio commercial driver’s license (CDL) commonly experience increased income and driving opportunities. Using the practice test, you can learn the rules and regulations for transporting hazardous materials. The practice test is a highly effective resource for developing a firm grasp of the procedures you must follow while hauling these materials. Gasoline, propane, and sulphuric acid are examples of hazardous materials that can cause harm through unsafe transportation practices. With help from the practice test, you’ll develop the skills and confidence that protect you from making critical mistakes.

Our Ohio BMV CDL HazMat endorsement practice test gives you a strategic advantage in learning the safety procedures you must follow. You will be required to complete a HazMat training course, undergo a Transportation Security Administration (TSA) background check, and pass an official knowledge test to earn your endorsement. The practice test uses 30 questions, similar to those on the official knowledge test, to identify your misunderstandings and direct your attention to the information you should study more. This approach targets your specific learning obstacles. You’ll be able to create a study plan that allows you to correctly answer at least 80% of the 30 questions on the official knowledge test needed to pass. The practice test is a blueprint for your success.

This Ohio BMV CDL HazMat endorsement practice test includes expert instruction containing authoritative information. The practice test is based on the most recent Ohio BMV CDL manual (Ohio CDL Handbook 2025) and is up to date as of October 2025. Unlike study guides, the practice test uses the information from the CDL manual to help you develop a deeper understanding of the test material. If you get a question wrong, the practice test generates a response that contains a detailed explanation of the correct answer. Study guides make you responsible for correcting your wrong answers and leave you at risk of becoming stuck in your progress or receiving inaccurate information. You have a better option. Using the practice test, you’ll be able to track your progress in absorbing the information, apply it to various driving scenarios, and increase your chances of passing the official knowledge test on your first try.

Are you ready to develop additional driving skills or refresh the ones you already have? Our series of practice tests covers a wide range of topics: air brakes, road signs, and more.

“Hang on Sloopy!” has enjoyed enduring popularity, and you can find the help you need to develop long-lasting driving skills using the practice tests at https://driving-tests.org/ohio/.

Pass the first time with Premium
97% of our Premium users pass first try
4 min to complete
Available in EN and ES
OH commercial driver's license
Real exam-style pitfalls you’ll practice:
Common Traps
Distractors
Trick Wording
Double Negatives

Verified for accuracy: October 2025

Reviewed by Steven Litvintchouk, M.S.
Chief Educational Researcher (ACES member)
Methodology & Editorial Policy

What to expect on the actual OH exam

30

questions

24

correct answers to pass

80%

passing score

Are you in another state?

5/5
2 votes
Click a star to add your vote
Ask AI Coach
Hi there! I'm Officer Frank