Exams / HS&E MAP / Hazardous substances (COSHH) / Question 2
HS&E MAP practice question: Hazardous substances (COSHH) (2 of 4) B. Occupational health, wellbeing and welfare A free question from our original HS&E MAP practice exam. Try it, then open the answer to see why each option is right or wrong.
Last verified October 2026 against HSE guidance and the law ·How we write our questions
A solvent-based coating can be swapped for a water-based one that does the same job.
What does good COSHH practice say?
Choose one answer.
A A. Substitute the less hazardous productB B. Keep the solvent one, and give workers masksC C. It makes no difference which is used, as long as workers are trainedD D. Use both, to get the job done fasterShow the answer and explanation Answer: A
A. Right: Right. Under good control practice, eliminating or substituting a hazardous substance comes before controls like extraction and PPE.B. Wrong: Wrong. PPE comes last. If a safer product will do, use it.C. Wrong: Wrong. Training helps, but removing the hazard is better.D. Wrong: Wrong. That keeps the hazard. Substitute where you can.Explanation If a less hazardous substance will do the job, use it. Substitution comes before extraction and PPE.
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