App for practicing questions from the joint question catalog of the German states (GFK) for the proficiency examination according to Section 11 of the German Chemicals Prohibition Ordinance and university exams (toxicology & law). Updated January 2026. Now with a modern design! • Latest question catalog for the proficiency examination according to the German Chemicals Prohibition Ordinance • Intelligent learning algorithm & realistic exam simulation • Learning statistics, dark mode & offline use • One-time purchase, no subscription required ================================== Are you preparing for the proficiency examination according to Section 11 of the German Chemicals Prohibition Ordinance or do you have an exam in "Toxicology and Law" coming up at university? Whether for your studies (chemistry, biology, pharmacy) or for your career – this app is your personal trainer, based on the most up-to-date question catalog. WHY THIS APP? Say goodbye to dry memorization! Our intelligent algorithm identifies your gaps in the complex legal regulations and hazardous materials knowledge. It helps you delve into precisely the questions that make all the difference in the exam or Chamber of Industry and Commerce (IHK) test. ================================== FEATURES AT A GLANCE: CURRENT QUESTION CATALOG (01/2026) The foundation for your success: Learn with the latest official questions. Ideal for both the "large" and "small" hazardous materials licenses. PERFECT FOR STUDENTS Tailored to the requirements of common modules such as "Legal Studies for Chemists" and "Toxicology." Use the app to accompany lectures or for the final push before the exam. REALISTIC EXAM SIMULATION The real thing without the risk: Test your knowledge with 60 questions from all three mandatory categories. The best way to combat exam anxiety. SMART STATISTICS Keep track of your progress. The app monitors your learning curve and shows you the exact percentage of topics you've mastered and where you still need to improve. TARGETED FEATURES - Learn by Category: Select specific areas to efficiently fill in any gaps in your knowledge. - Flexible Sessions: Start quick rounds of 10, 20, or 30 questions – perfect for studying on the go. - Favorites & Review: Bookmark tricky questions for later and review them effectively. - Dark Mode: Protect your eyes during nighttime study sessions. TOPIC AREAS COVERED: I: General Knowledge II: Hazardous Materials Science III: Legal Regulations Learn whenever and wherever you want in a modern design – completely offline. No hidden subscriptions, pay once, use everything. Download the new ChemTrainer now and get ready for your exam! ================================== DISCLAIMER & DATA SOURCE: 1. No Official Status: This app is an independent, privately funded learning resource. It is not operated, supported, or represented by any government agency, government office, or other public institution. 2. Data Source for Official Information: The exam questions used in this app are based on the publicly available "Joint Question Catalog of the Federal States" (GFK) for the proficiency examination according to Section 11 of the German Chemicals Prohibition Ordinance (ChemVerbotsV). The official source of this official information is the Federal/State Working Group on Chemical Safety (BLAC). Direct link to the original source: https://www.blac.de