HazMat Test app is a free app to prepare yourself for the CDL hazmat test. In order to drive vehicles containing hazardous materials, it is necessary to have "H Endorsement" (Hazardous materials endorsement) with a commercial driver's license (CDL). This app contains questions from the actual hazmat exam held in 2017, 2018, 2019, 2020, 2021, and 2022. Why should you choose this app? - It is designed to help you pass your hazmat test easily with smart preparation. - We made sure that it covers e