危険物乙４（おつよん）全問解説 - 分野別一問一答と過去問
1.0
v9.6.0 by TRIPS LLC
About 危険物取扱者乙４
危険物取扱者乙４ (Package Name: jp.co.trips.shikakukikenbutsuotsu4) is developed by TRIPS LLC and the latest version of 危険物乙４（おつよん）全問解説 - 分野別一問一答と過去問 9.6.0 was updated on September 22, 2025. 危険物乙４（おつよん）全問解説 - 分野別一問一答と過去問 is in the category of Education. You can check all apps from the developer of 危険物乙４（おつよん）全問解説 - 分野別一問一答と過去問. Currently this app is for free. This app can be downloaded on Android 10.0+ on APKFab or Google Play. All APK/XAPK files on APKFab.com are original and 100% safe with fast download.
The definitive version of the app for Hazardous Materials Handler Class B Class 4 and Otsu 4 Countermeasures! There are 618 frequently asked questions ranging from basic Q&A to the actual format.
All questions have detailed explanations. There is also a function that allows you to review the checked questions at once.
Additionally, the "How to study Dangerous Goods 4" page, which explains in detail how to study Dangerous Goods 4, is a must-read. Please take advantage of it!
This app is compatible with the legal revisions as of April 2025. Please use it with confidence.
You can use all the contents of this app, ``Dangerous Goods 4 (Otsuyon) Complete Questions Explanation'', for free.
If you are concerned about displaying advertisements, we apologize for the inconvenience, but if you would like to do so, please use the "Seriously Learning Plan (Hide Ads)".
◆Terms of use
https://apps.trips.co.jp/terms_of_use.html
If you notice any problems, please feel free to contact us using the inquiry form within the app.
This app "Dangerous Goods Otsuyon 4 (Otsuyon) Complete Questions Explanation - 618 frequently asked questions ranging from the basic question and answer to the actual format" is,
This is an app from the ``Self-study TODAY'' series of qualification exam preparation apps that have a cumulative total of 10 million downloads and are reliable and proven.
A strong ally for acquiring qualifications and studying for exams. If you want to take Hazardous Materials Handler Otsu 4, install this free app now!
All questions have detailed explanations. There is also a function that allows you to review the checked questions at once.
Additionally, the "How to study Dangerous Goods 4" page, which explains in detail how to study Dangerous Goods 4, is a must-read. Please take advantage of it!
This app is compatible with the legal revisions as of April 2025. Please use it with confidence.
You can use all the contents of this app, ``Dangerous Goods 4 (Otsuyon) Complete Questions Explanation'', for free.
If you are concerned about displaying advertisements, we apologize for the inconvenience, but if you would like to do so, please use the "Seriously Learning Plan (Hide Ads)".
◆Terms of use
https://apps.trips.co.jp/terms_of_use.html
If you notice any problems, please feel free to contact us using the inquiry form within the app.
This app "Dangerous Goods Otsuyon 4 (Otsuyon) Complete Questions Explanation - 618 frequently asked questions ranging from the basic question and answer to the actual format" is,
This is an app from the ``Self-study TODAY'' series of qualification exam preparation apps that have a cumulative total of 10 million downloads and are reliable and proven.
A strong ally for acquiring qualifications and studying for exams. If you want to take Hazardous Materials Handler Otsu 4, install this free app now!
危険物取扱者乙４ 9.6.0 Update
たくさんの応援レビューありがとうございます！とても嬉しいです！・令和7年(2025年)4月までの法改正に対応しました！
・「本番演習」において間違いだと思う選択肢に取り消し線を引けるようになりました！
・「本気で勉強プラン（広告非表示）」を利用することもできるようになりました！
- 有料となり誠に恐れ入りますが広告表示が気になる方はぜひご利用ください
・アプリ内部の基本システムを刷新しました！
これからも人気の本アプリ「危険物乙４ 全問解説」を宜しくお願いします！
Read More
危険物取扱者乙４ Features
Previous Versions More
危険物乙４（おつよん）全問解説 - 分野別一問一答と過去問
9.6.0
XAPK
APKs
September 22, 2025
34.5 MB
Variant
Arch
Version
DPI
危険物乙４（おつよん）全問解説 - 分野別一問一答と過去問
7.73.0
XAPK
APKs
March 6, 2025
20.46 MB
Variant
Arch
Version
DPI
危険物乙４（おつよん）全問解説 - 分野別一問一答と過去問
7.46.0
APK
July 20, 2024
23.5 MB
Requires Android: Android 9.0+
Architecture: arm64-v8a, armeabi, armeabi-v7a, x86, x86_64
Screen DPI: 120-640dpi
SHA1: a1fc51467edda1da47aedbd6d1c3e35a3c79a58b
Size: 23.5 MB
What's New:
たくさんの応援レビューありがとうございます！とても嬉しいです！
・一部の機種において文字が小さめに表示されたいたものを、少し大きく表示するように改善しました！
・いくつかの問題の収録内容を加筆・修正しました
- 基礎的な物理・化学②＞熱量と比熱＞第5問
- 危険物の性質・火災予防・消火＞危険物の分類 その1＞第3問
- 危険物に関する法令①＞製造所等の区分＞第5問
- 【本番演習】（五問択一形式）＞危険物に関する法令 その7＞第2問
・アプリ内の設定画面から広告の音量を変更できるようになりました
これからも人気の本アプリ「危険物乙４全問解説」を宜しくお願いします！
・一部の機種において文字が小さめに表示されたいたものを、少し大きく表示するように改善しました！
・いくつかの問題の収録内容を加筆・修正しました
- 基礎的な物理・化学②＞熱量と比熱＞第5問
- 危険物の性質・火災予防・消火＞危険物の分類 その1＞第3問
- 危険物に関する法令①＞製造所等の区分＞第5問
- 【本番演習】（五問択一形式）＞危険物に関する法令 その7＞第2問
・アプリ内の設定画面から広告の音量を変更できるようになりました
これからも人気の本アプリ「危険物乙４全問解説」を宜しくお願いします！
危険物乙４（おつよん）全問解説 - 分野別一問一答と過去問
7.46.0
XAPK
APKs
August 9, 2024
19.53 MB
Variant
Arch
Version
DPI
More Information
Package Name:
Update Date:
2025-09-22
Latest Version:
9.6.0
Need Update:
Available on:
Requirements:
Android 10.0+
Report:
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