Lithuania, the EU and other countries
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We first study Lithuania's rules and applicable EU rules. Europe is not only the EU: the route, national law and international agreements matter for each journey. Here we compare a few selected differences.
Lithuanian law and EU documents form the foundation. For technical and safety topics, we prioritise European authorities and manufacturers, including German and French sources. Russian and other national rules have clearly stated scopes. Each comparison includes sources and explains when it applies.
How do the main hazards of ADR Classes 3 and 8 differ?
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First try to answer in your own words.
Keyboard: space barAnswer
Class 3 covers flammable liquids; Class 8 covers corrosive substances.
Please note
Do not classify a substance yourself from its name, smell or container shape.
A simple explanation
The class helps identify the hazard but is not a complete safety description of a specific substance. One substance may also have additional hazards, so its exact entry and all applicable labels must be checked.
3: flammable liquid; 8: corrosive.
Sources and checks
Editorial review: 2026-09-28.
Learning objective: Distinguish flammability and corrosivity hazards by ADR class. EU syllabus area: 2.2. HSA's official ADR label reference sheet and BAM's example of a class and subsidiary labels were read.
Answer compared with sources: 2026-09-28.
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Question map
Questions follow the learning sequence; selecting “Shuffle order” changes the order. Question numbers and links stay the same.
Understand the whole topic
Start with the vehicle, then move on to driving, human factors, safety, cargo and transport rules. Within each topic, questions progress from the basics to application. Question numbers and links stay the same.
Abbreviation glossary ↓Abbreviation glossary
EU C / CE learning areas
The 300 questions are mapped to 14 freight transport learning areas in Annex I to Directive (EU) 2022/2561. Choose a specific skill and its related questions. Practice tasks help you prepare for work with an instructor.
Visual explanations
Visual explanations help you understand visibility, manoeuvring, cargo and working time. Choose a diagram, compare examples or adjust a model.
Practical scenarios
Read the facts and decide what you would do. Then reveal the solution and compare your explanation. These are additional tasks alongside the 300 questions; no points are awarded.
Check your knowledge
Additional quiz questions are linked to the 300 study questions. After you answer, each option is explained, and at the end you will see results by topic.
Learning together and feedback
Try it together in 25–30 minutes
For an instructor and a small group: choose one C/CE freight transport topic in the Lithuania and EU context. Use your own devices, including a phone and a computer.
- 3 questions. In ‘Recall’ mode, first answer in your own words, then read the explanation and mark what needs more review.
- A lesson and a diagram. Discuss what they explain and which conditions matter.
- One scenario. Decide before revealing the solution. Explain the reasons for your chosen action.
- A few quiz questions. Read the explanation for each option. You can finish the quiz early; the remaining questions will be marked as unanswered.
- Discussion. Everyone names one useful point and one thing that needs correcting.
How can you share or suggest a correction?
You will find the question link and feedback field below this section. Lessons, diagrams and scenarios have their own ‘Copy link’ button. ‘Suggest a correction’ helps you prepare a note with the specific link and version label. Copy or download the text and pass it on for review.
Discuss: is it easy to find an answer and return to the question? Can you explain the reason and the limits of the rule's application? Which sentence is misleading? Flag any significant legal or safety uncertainty for checking before using the material.
ID 189 · How do the main hazards of ADR Classes 3 and 8 differ?
Translated from the Lithuanian edition. The material concerns Lithuania and the EU; source-check dates refer to the Lithuanian answers.
Study materials for C/CE drivers: 300 questions with explanations, lessons, quizzes and practical scenarios. Based on Lithuania's and EU rules.