Practice question

What does Compatibility Group A designate in Class 1 dangerous goods classification?

  1. Article containing a primary explosive substance and two or more effective protective features
  2. Propellant powder or other deflagrating explosive substance
  3. Pyrotechnic substance or article containing a pyrotechnic substance
  4. Primary explosive substance such as lead azide or fulminate of mercury

Answer: D — Primary explosive substance such as lead azide or fulminate of mercury

The correct answer is shown above. Try the full quiz for additional practice.

Practice more: UK ADR Class 1 Explosives Practice Questions - UK ADR Dangerous Goods Driver Class 1 Explosives Exam (Qualifications Scotland DfT) Exam →