危険物乙4 全問解説 - 独学TODAY



Publisher Description

危険物乙4 全問解説 - 独学TODAY -

The definitive version of the Otsu 4 countermeasure app! 618 frequently asked questions ranging from basic Q&A to the actual format. If you want to take Hazardous Materials Handler Otsu 4, install it now!

The definitive app for studying for the Class B Hazardous Materials Handler License, Category 4 (Otsu-yon)! From basic Q&A to exam-style questions, it features 618 frequently asked questions.

All questions include detailed explanations. There's also a function to review checked questions later.

Don't miss the "Hazardous Materials Class B-4 Study Method" page, which provides detailed explanations on how to study for the Hazardous Materials Class B-4 exam!

This app, "Hazardous Materials Class B-4 Complete Question Explanation - Self-Study TODAY," is free to use.

If you are concerned about advertisements, we apologize, but please consider the paid "Serious Study Plan (Ad-Free)."

Terms of Use: https://apps.trips.co.jp/terms_of_use.html
If you notice any bugs or issues, please feel free to contact us through the in-app inquiry form.

This app, "Hazardous Materials Class B, Category 4: Complete Question Explanation - Self-Study TODAY - 618 Frequently Asked Questions from Basic Q&A to Exam Format," is part of the "Self-Study TODAY" series, a trusted and proven qualification exam preparation app with over 10 million downloads.

A powerful ally for qualification acquisition and exam preparation. If you want to obtain the national qualification "Class B, Category 4 Hazardous Materials Handler," install this popular free app now!



About 危険物乙4 全問解説 - 独学TODAY

危険物乙4 全問解説 - 独学TODAY is a free app for Android published in the Teaching & Training Tools list of apps, part of Education.

The company that develops 危険物乙4 全問解説 - 独学TODAY is TRIPS LLC. The latest version released by its developer is 1.0.

To install 危険物乙4 全問解説 - 独学TODAY on your Android device, just click the green Continue To App button above to start the installation process. The app is listed on our website since 2026-08-27 and was downloaded 0 times. We have already checked if the download link is safe, however for your own protection we recommend that you scan the downloaded app with your antivirus. Your antivirus may detect the 危険物乙4 全問解説 - 独学TODAY as malware if the download link to jp.co.trips.shikakukikenbutsuotsu4 is broken.

How to install 危険物乙4 全問解説 - 独学TODAY on your Android device:

  • Click on the Continue To App button on our website. This will redirect you to Google Play.
  • Once the 危険物乙4 全問解説 - 独学TODAY is shown in the Google Play listing of your Android device, you can start its download and installation. Tap on the Install button located below the search bar and to the right of the app icon.
  • A pop-up window with the permissions required by 危険物乙4 全問解説 - 独学TODAY will be shown. Click on Accept to continue the process.
  • 危険物乙4 全問解説 - 独学TODAY will be downloaded onto your device, displaying a progress. Once the download completes, the installation will start and you'll get a notification after the installation is finished.

Program Details


General

Publisher
Released Date
2026-08-27
Languages
English

Category

Category
Subcategory

System requirements

Operating systems
Android

Download information

File size
N/A
Total downloads
0

Pricing

License model
Free
Price

Version History


Here you can find the changelog of 危険物乙4 全問解説 - 独学TODAY since it was posted on our website on 2026-09-03.The latest version is and it was updated on Soft112 on 02 November, 2026.See below the changes in each version:

version

posted on 2026-08-27

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!

・各問題セットのアイコン表示が円グラフになり、一見して進捗が把握できるようになりました!

・いくつかの問題内容を加筆修正しました

 - 基礎的な物理・化学①>引火と発火 その1>第2問>解説文

 - 基礎的な物理・化学①>消火と消火剤 その2>第5問>選択肢・解説文

 - 基礎的な物理・化学②>ボイル・シャルルの法則>第1問>解説文

 - 危険物の性質・火災予防・消火>

  - 第4類危険物の消火方法 その1>第3問>解説文

  - 第4石油類>第1問>問題文・解説文

  - 特殊引火物の品目ごとの性状>第5問>解説文

 - 【本番演習】(五問択一形式)>危険物に関する法令 その7>第5問>問題文

これからも人気の本アプリ「危険物乙4 全問解説 - 独学TODAY」を宜しくお願いします!

version

posted on 2026-08-28

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!
・各問題セットのアイコン表示が円グラフになり、一見して進捗が把握できるようになりました!
・いくつかの問題内容を加筆修正しました
 - 基礎的な物理・化学①>引火と発火 その1>第2問>解説文
 - 基礎的な物理・化学①>消火と消火剤 その2>第5問>選択肢・解説文
 - 基礎的な物理・化学②>ボイル・シャルルの法則>第1問>解説文
 - 危険物の性質・火災予防・消火>
  - 第4類危険物の消火方法 その1>第3問>解説文
  - 第4石油類>第1問>問題文・解説文
  - 特殊引火物の品目ごとの性状>第5問>解説文
 - 【本番演習】(五問択一形式)>危険物に関する法令 その7>第5問>問題文
これからも人気の本アプリ「危険物乙4 全問解説 - 独学TODAY」を宜しくお願いします!






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Users Rating:
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Downloads: 0
Updated At: 2026-11-02
Publisher: TRIPS LLC
Operating System: Android
License Type: Free

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