This is a collection of five-choice questions on physical chemistry in the hazardous materials handler examination. It is an application to learn physical chemistry. Five-choice questions will be asked. Learn using the answer button.
Regarding the properties of Class A, substances, fire extinguishing law and laws and regulations, we have released the properties of Class 1 to 6 dangerous goods, fire extinguishing methods and problem collections, and the problem collection application of Class B laws and regulations. Please.