Hover or tap underlined Spanish terms to see their translation and exam tip.
En un incendio, el comburente más común es:In a fire, the most common oxidiser is:
Show the answer
Correct answer: c) Oxygen
Why it is correct
The oxidiser is what allows burning, and it is normally the oxygen in the air.
Why the others are not
- a) Nitrogen does not feed burning.
- b) CO2 is used to put fires out.
- d) Argon is an inert gas.
How to work it out in the exam
- Fuel, oxidiser and heat: the oxidiser is oxygen.
Where this question comes from
- Región de Murcia · 2020 · 1ª convocatoria · PER Tipo 1 · question 32 Official paper · Official answer key
- Región de Murcia · 2022 · 2ª convocatoria · PER Tipo 1 · question 31 Official paper · Official answer key
Regulations
Pending instructor review. Machine translation, not reviewed.