Minnesota CDL Hazmat: Hazard Classes Test 2026

The nine hazard classes are the backbone of hazmat knowledge, and the Minnesota hazmat hazard classes test makes sure you can tell an explosive from an oxidizer from a corrosive. This 2026 CDL practice set sharpens the classification skills your H endorsement depends on.

You will sort materials into their proper class and division, from Class 1 explosives and Class 2 gases through flammable liquids, flammable solids, oxidizers, poisons, radioactives, and corrosives. Recognizing the hazard class drives everything downstream, including placarding and how loads are segregated on the trailer.

Your Minnesota CDL Manual lists the full hazard class table, so study it until the divisions stick. Since endorsement exams are not a set length everywhere, rely on your Minnesota CDL Manual for the exact number of questions Minnesota uses. Run this hazard classes drill repeatedly and the categories will come to mind instantly.

Keep going:

• Minnesota Hazmat Practice Test
• Minnesota Hazmat Practice Test 2
• Minnesota Hazmat Practice Test 3
• Minnesota Hazmat Endorsement Test
• Minnesota CDL Practice Test
• Minnesota Air Brakes Practice Test
• Minnesota CDL Combination Practice Test
• Minnesota CDL Pre-Trip Inspection Practice Test
• Minnesota Class A CDL Practice Test
• Minnesota CDL Practice Test

Every question traces back to the Minnesota CDL Manual - skim the right-of-way and signs chapters before your retake.