E. LearndmvDMV PRACTICE
Find your state Exam types Practice tests Sign in Create account ↗
Practice quizzes / Missouri CDL Hazmat Practice Questions - Missouri CDL Hazardous Materials Endorsement Test Exam / Question 131177
Practice question

What does a UN identification number identify?

  1. A medical examiner
  2. A hazardous material entry or group entry
  3. A trailer manufacturer
  4. A state test station

Answer: B — A hazardous material entry or group entry

The correct answer is shown above. Try the full quiz for additional practice.

Practice more: Missouri CDL Hazmat Practice Questions - Missouri CDL Hazardous Materials Endorsement Test Exam →
Learndmv.

Thoughtful practice for the road ahead. Find permit, road signs and CDL preparation by state.

Explore

Practice by stateAll practice testsExam types

Your account

My profilePractice historyAccount security

Get started

Create accountSign inSitemap
© 2026 LearndmvIndependent practice resource · Not affiliated with any state DMV.