丙種危険物取扱者ー体験版ー りすさんシリーズ

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Content rating
Everyone
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About this app

This is a collection of questions for the Class C Hazardous Materials Handler Examination.

*Please install the Lite version before installing this app and check its operation.

For devices that do not display the menu button, you can open the menu screen by clicking the title or question number.

Features
① Study by subject, with multiple-choice questions just like the real test.
 Based on past question trends, questions and explanations are included for a full range of topics.
 Questions are formatted as one question and one answer, and you can check your accuracy rate after answering.

Laws: 274 questions
 Combustion and Fire Extinguishing: 193 questions
 Properties and Prevention: 269 questions
 Total: 736 questions
 (Trial version includes only 50 questions for each category.)

② Multiple-choice questions included
 For those who find multiple-choice questions difficult, we've edited the questions and included them as multiple-choice questions.
 Get used to the multiple-choice questions before moving on to the four-choice questions.

③ Check and save functions included
 Automatically remembers questions you got wrong and prioritizes questions you got wrong or have not yet answered. The app also features a save function, allowing you to resume solving problems from where you left off when you restart, allowing for efficient study. (Data can be reset for each subject from the menu button.)

④ Progress Bar
A bar above the questions shows how many of your answers you've gotten right, providing a useful guide for studying.

⑤ Exam-Style Questions
Just like the real exam, you can study with a total of 25 questions. The questions are randomized, so you can try them as many times as you like.
The app also displays your correct answer rate for each subject and your overall correct answer rate at the end of the test.

⑥ Glossary (approximately 160 terms)
A glossary of hazardous materials terms is included, and can be searched from the top page or viewed while solving problems.

⑦ Textbook Function
Unclear laws and regulations are explained with tables, diagrams, and photos.


The LITE and trial versions require an internet connection to display advertisements, but the app itself can be used even in environments without an internet connection. The paid version does not require an internet connection at all.
Updated on
Oct 20, 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
This app may collect these data types
Location, App activity, and Device or other IDs
Data is encrypted in transit
Data can’t be deleted

What’s new

2025.10.20 システムと問題を修正しました
2025.05.06 問題等を一新しました
2024.08.14 システムを更新しました
2022.01.06 システムを修正しました
2020.08.10 教科書を修正しました
2020.07.17 問題を更新しました
2020.03.16 問題を更新しました