危険物取扱者 甲種 試験対策の頻出問題集アプリ2023年版

It is an application to efficiently pass the Class A hazardous materials handler test. Carefully selected questions that often appear in the exam. You can study efficiently in the gap time. All 500 questions have explanations. Please use it as a reference book for the Class A Hazardous Materials Handling Examination or as a past problem + α. It is also recommended to use this app as a reconfirmation just before the test. We hope you find it useful. 1: Laws and regulations regarding dangerous goods ... 160 questions 2: Physics and Chemistry ... 110 questions 3: Nature, fire prevention, fire extinguishing method ... 230 questions (500 questions in total)