# Toxic Substances Exam JP — Practice Questions & Answers

> Study app for Japan's Poisonous and Deleterious Substances Handler exam. (iPhone/iPad app by Ryouhei Azuma.)

- Source: https://appshunter.io/ios/app/toxic-substances-exam-jp/id6769603389 (this page in markdown: same URL + `.md`)
- Developer: [Ryouhei Azuma](https://appshunter.io/developer/1353297781)
- Category: Business, Magazines & Newspapers
- Price: Free
- Age rating: 4+
- Requires: iOS 16 · 15 MB
- Languages: American English
- Released: 2026-05-15
- Data updated: 2026-08-26
- Monetization: ad-supported
- User reviews in markdown: https://appshunter.io/ios/app/toxic-substances-exam-jp/id6769603389/reviews.md

## What is Toxic Substances Exam JP?

A study app for the Japan Poisonous and Deleterious Substances Handler (Dokugeki) exam. Study efficiently with practice questions and detailed explanations.

■ Subjects Covered
- Laws and Regulations on Poisonous and Deleterious Substances
- Basic Chemistry
- Properties, Storage, and Handling Methods
- Identification and Handling Methods (Practical)

■ Study Modes
- Random practice (10 / 25 / 50 / 100 questions)
- Study by subject
- All questions in order (resume supported)
- Review incorrect answers
- Bookmarks and unanswered questions

■ Progress Tracking
- Automatic tracking of correct answer rate
- Subject-by-subject performance overview

Works completely offline — study anytime, anywhere.

■ Reference
- Ministry of Health, Labour and Welfare: https://www.mhlw.go.jp/

※ This app is an independent study tool and is not affiliated with any examination body.

## Key features

- Practice questions with explanations
- Study by subject
- Random practice modes
- Review incorrect answers
- Offline study capability
- Progress tracking

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/toxic-substances-exam-jp/id6769603389/reviews.md

### 4/5 — 誤りについて

*2026-06-01*

問題の毒物又は劇物の容器及び被包に表示しなければならない事項として、正しいものはどれか。について、選択に劇物については「医薬用外」の文字及び白地に赤字で「劇物」の文字。と毒物については「医薬用外」の文字及び赤地に白字で「毒物」の文字。とあるがどちらも正解であり、正しいものが2個あるため問題として間違っている。

**Developer response:** レビューご指摘ありがとうございます。問題の見直しをさせていただきました。

## Frequently asked questions about Toxic Substances Exam JP

### Does Toxic Substances Exam JP have ads?

Yes, Toxic Substances Exam JP contains advertisements. This allows the app to be offered for free to users.

### What subjects are covered in Toxic Substances Exam JP?

The app covers Laws and Regulations on Poisonous and Deleterious Substances, Basic Chemistry, Properties/Storage/Handling Methods, and Identification/Handling Methods (Practical).

### Can I study offline with Toxic Substances Exam JP?

Yes, the app works completely offline, allowing you to study anytime and anywhere without an internet connection.

### How does Toxic Substances Exam JP track my progress?

It automatically tracks your correct answer rate and provides a subject-by-subject performance overview to help you identify areas needing more study.

### What study modes are available in Toxic Substances Exam JP?

Study modes include random practice (with various question counts), studying by subject, reviewing all questions, and revisiting incorrect answers or bookmarked questions.

### Is Toxic Substances Exam JP affiliated with any examination body?

No, this app is an independent study tool and is not affiliated with any official examination body for the Dokugeki exam.

### On which devices can I use Toxic Substances Exam JP?

Toxic Substances Exam JP is available for iPhone, iPad, and iPod devices.

### How often is Toxic Substances Exam JP updated?

The app was last updated on July 17, 2026, with version 1.1. Future updates will likely address content or feature improvements.

## Version history (last 3 releases)

### 1.2 — 2026-07-21

Revised questions and explanations.

### 1.1 — 2026-07-17

Minor fixes.

### 1.0 — 2026-05-15

No release notes.

## More apps by Ryouhei Azuma

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All apps by Ryouhei Azuma: https://appshunter.io/developer/1353297781

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-26.*